22304122040 has 32 divisors (see below), whose sum is σ = 52825554000. Its totient is φ = 8452088064.

The previous prime is 22304122031. The next prime is 22304122063. The reversal of 22304122040 is 4022140322.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 14673005 + ... + 14674524.

Almost surely, 2^22304122040 is an apocalyptic number.

22304122040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22304122040 is an abundant number, since it is smaller than the sum of its proper divisors (30521431960).

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

22304122040 is a wasteful number, since it uses less digits than its factorization.

22304122040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29347559 (or 29347555 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22304122040 its reverse (4022140322), we get a palindrome (26326262362).

The spelling of 22304122040 in words is "twenty-two billion, three hundred four million, one hundred twenty-two thousand, forty".