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2212012022 = 211977102913
BaseRepresentation
bin1000001111011000…
…1001111111110110
312201011021212001012
42003312021333312
514012233341042
61003255032222
7105546535433
oct20366117766
95634255035
102212012022
11a35694410
1251896b672
13293378c6c
1416dac6b8a
15ce2e0e82
hex83d89ff6

2212012022 has 16 divisors (see below), whose sum is σ = 3623396112. Its totient is φ = 1004421120.

The previous prime is 2212012021. The next prime is 2212012067. The reversal of 2212012022 is 2202102122.

It is a junction number, because it is equal to n+sod(n) for n = 2212011988 and 2212012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212012021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29963 + ... + 72950.

It is an arithmetic number, because the mean of its divisors is an integer number (226462257).

Almost surely, 22212012022 is an apocalyptic number.

2212012022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2212012022 is a deficient number, since it is larger than the sum of its proper divisors (1411384090).

2212012022 is a wasteful number, since it uses less digits than its factorization.

2212012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103903.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2212012022 is about 47032.0318719062. The cubic root of 2212012022 is about 1302.9542325456.

Adding to 2212012022 its reverse (2202102122), we get a palindrome (4414114144).

The spelling of 2212012022 in words is "two billion, two hundred twelve million, twelve thousand, twenty-two".

Divisors: 1 2 11 22 977 1954 10747 21494 102913 205826 1132043 2264086 100546001 201092002 1106006011 2212012022