22004002231232 has 56 divisors (see below), whose sum is σ = 52071582944256. Its totient is φ = 9020274202368.

The previous prime is 22004002231223. The next prime is 22004002231261. The reversal of 22004002231232 is 23213220040022.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×22004002231232² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 22004002231198 and 22004002231207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1067730488 + ... + 1067751095.

Almost surely, 2^{22004002231232} is an apocalyptic number.

It is an amenable number.

22004002231232 is an abundant number, since it is smaller than the sum of its proper divisors (30067580713024).

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

22004002231232 is a wasteful number, since it uses less digits than its factorization.

22004002231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135481625 (or 2135481615 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 22004002231232 its reverse (23213220040022), we get a palindrome (45217222271254).

The spelling of 22004002231232 in words is "twenty-two trillion, four billion, two million, two hundred thirty-one thousand, two hundred thirty-two".