22031043045632 has 144 divisors (see below), whose sum is σ = 44925327820800. Its totient is φ = 10779508131840.

The previous prime is 22031043045619. The next prime is 22031043045677. The reversal of 22031043045632 is 23654034013022.

It is a happy number.

It is a super-2 number, since 2×22031043045632² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22031043045592 and 22031043045601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8542473719 + ... + 8542476297.

It is an arithmetic number, because the mean of its divisors is an integer number (311981443200).

Almost surely, 2^{22031043045632} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22031043045632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22462663910400).

22031043045632 is an abundant number, since it is smaller than the sum of its proper divisors (22894284775168).

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

22031043045632 is a wasteful number, since it uses less digits than its factorization.

22031043045632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5012 (or 4998 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 22031043045632 its reverse (23654034013022), we get a palindrome (45685077058654).

The spelling of 22031043045632 in words is "twenty-two trillion, thirty-one billion, forty-three million, forty-five thousand, six hundred thirty-two".