22002031132356 has 36 divisors (see below), whose sum is σ = 56429451750896. Its totient is φ = 6667282160880.

The previous prime is 22002031132307. The next prime is 22002031132357. The reversal of 22002031132356 is 65323113020022.

It is a super-2 number, since 2×22002031132356² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22002031132357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7576455550 + ... + 7576458453.

Almost surely, 2^{22002031132356} is an apocalyptic number.

It is an amenable number.

22002031132356 is an abundant number, since it is smaller than the sum of its proper divisors (34427420618540).

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

22002031132356 is a wasteful number, since it uses less digits than its factorization.

22002031132356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15152914032 (or 15152914019 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 22002031132356 its reverse (65323113020022), we get a palindrome (87325144152378).

The spelling of 22002031132356 in words is "twenty-two trillion, two billion, thirty-one million, one hundred thirty-two thousand, three hundred fifty-six".