22240400032 has 24 divisors (see below), whose sum is σ = 43796350836. Its totient is φ = 11117517312.

The previous prime is 22240400027. The next prime is 22240400033. The reversal of 22240400032 is 23000404222.

It can be written as a sum of positive squares in 2 ways, for example, as 19397804176 + 2842595856 = 139276^2 + 53316^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22240399982 and 22240400009.

It is not an unprimeable number, because it can be changed into a prime (22240400033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54388 + ... + 217804.

Almost surely, 2^22240400032 is an apocalyptic number.

It is an amenable number.

22240400032 is a deficient number, since it is larger than the sum of its proper divisors (21555950804).

22240400032 is a wasteful number, since it uses less digits than its factorization.

22240400032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167680 (or 167672 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 22240400032 its reverse (23000404222), we get a palindrome (45240804254).

The spelling of 22240400032 in words is "twenty-two billion, two hundred forty million, four hundred thousand, thirty-two".