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2221010022 = 237114919791
BaseRepresentation
bin1000010001100001…
…1110110001100110
312201210012222222110
42010120132301212
514022034310042
61004215541450
7106016162610
oct20430366146
95653188873
102221010022
11a3a77a780
1251b98a886
132951a971a
14170d89db0
15ceebc09c
hex8461ec66

2221010022 has 64 divisors (see below), whose sum is σ = 5549948928. Its totient is φ = 575652000.

The previous prime is 2221010009. The next prime is 2221010047. The reversal of 2221010022 is 2200101222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221947 + ... + 231737.

It is an arithmetic number, because the mean of its divisors is an integer number (86717952).

Almost surely, 22221010022 is an apocalyptic number.

2221010022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221010022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2774974464).

2221010022 is an abundant number, since it is smaller than the sum of its proper divisors (3328938906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221010022 is a wasteful number, since it uses less digits than its factorization.

2221010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10305.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2221010022 is about 47127.5930002796. The cubic root of 2221010022 is about 1304.7185570607.

Adding to 2221010022 its reverse (2200101222), we get a palindrome (4421111244).

The spelling of 2221010022 in words is "two billion, two hundred twenty-one million, ten thousand, twenty-two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 491 982 1473 2946 3437 5401 6874 9791 10311 10802 16203 19582 20622 29373 32406 37807 58746 68537 75614 107701 113421 137074 205611 215402 226842 323103 411222 646206 753907 1507814 2261721 4523442 4807381 9614762 14422143 28844286 33651667 52881191 67303334 100955001 105762382 158643573 201910002 317287146 370168337 740336674 1110505011 2221010022