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221022331001 = 41149335910771
BaseRepresentation
bin1100110111010111110…
…1010010000001111001
3210010111102111202020022
43031311331102001321
512110123204043001
6245311455340225
721653065546523
oct3156575220171
9703442452208
10221022331001
118580a38667a
1236a03b21675
1317ac47523a4
14a9aa088a13
155b38d3311b
hex3375f52079

221022331001 has 16 divisors (see below), whose sum is σ = 228021696000. Its totient is φ = 214100707200.

The previous prime is 221022330937. The next prime is 221022331009. The reversal of 221022331001 is 100133220122.

It is a cyclic number.

It is not a de Polignac number, because 221022331001 - 26 = 221022330937 is a prime.

It is a super-2 number, since 2×2210223310012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221022331009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20514746 + ... + 20525516.

It is an arithmetic number, because the mean of its divisors is an integer number (14251356000).

Almost surely, 2221022331001 is an apocalyptic number.

It is an amenable number.

221022331001 is a deficient number, since it is larger than the sum of its proper divisors (6999364999).

221022331001 is a wasteful number, since it uses less digits than its factorization.

221022331001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14320.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 221022331001 its reverse (100133220122), we get a palindrome (321155551123).

The spelling of 221022331001 in words is "two hundred twenty-one billion, twenty-two million, three hundred thirty-one thousand, one".

Divisors: 1 41 149 3359 6109 10771 137719 441611 500491 1604879 20520131 36179789 65800039 1483371349 5390788561 221022331001