22403220232 has 8 divisors (see below), whose sum is σ = 42006037950. Its totient is φ = 11201610112.

The previous prime is 22403220209. The next prime is 22403220263. The reversal of 22403220232 is 23202230422.

It can be written as a sum of positive squares in only one way, i.e., 17679957156 + 4723263076 = 132966^2 + 68726^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400201257 + ... + 1400201272.

Almost surely, 2^22403220232 is an apocalyptic number.

It is an amenable number.

22403220232 is a deficient number, since it is larger than the sum of its proper divisors (19602817718).

22403220232 is a wasteful number, since it uses less digits than its factorization.

22403220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800402535 (or 2800402531 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 22403220232 its reverse (23202230422), we get a palindrome (45605450654).

The spelling of 22403220232 in words is "twenty-two billion, four hundred three million, two hundred twenty thousand, two hundred thirty-two".