22445224431232 has 16 divisors (see below), whose sum is σ = 44715095546850. Its totient is φ = 11222612215552.

The previous prime is 22445224431199. The next prime is 22445224431269. The reversal of 22445224431232 is 23213442254422.

It can be written as a sum of positive squares in only one way, i.e., 22359506645056 + 85717786176 = 4728584^2 + 292776^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87676657807 + ... + 87676658062.

Almost surely, 2^{22445224431232} is an apocalyptic number.

It is an amenable number.

22445224431232 is a deficient number, since it is larger than the sum of its proper divisors (22269871115618).

22445224431232 is an equidigital number, since it uses as much as digits as its factorization.

22445224431232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175353315883 (or 175353315871 counting only the distinct ones).

The product of its digits is 737280, while the sum is 40.

Adding to 22445224431232 its reverse (23213442254422), we get a palindrome (45658666685654).

The spelling of 22445224431232 in words is "twenty-two trillion, four hundred forty-five billion, two hundred twenty-four million, four hundred thirty-one thousand, two hundred thirty-two".