22024022004 has 36 divisors (see below), whose sum is σ = 55818759360. Its totient is φ = 7321965840.

The previous prime is 22024021973. The next prime is 22024022021. The reversal of 22024022004 is 40022042022.

22024022004 is a `hidden beast` number, since 220 + 240 + 2 + 200 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793452 + ... + 820739.

Almost surely, 2^22024022004 is an apocalyptic number.

It is an amenable number.

22024022004 is an abundant number, since it is smaller than the sum of its proper divisors (33794737356).

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

22024022004 is a wasteful number, since it uses less digits than its factorization.

22024022004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614580 (or 1614575 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 22024022004 its reverse (40022042022), we get a palindrome (62046064026).

The spelling of 22024022004 in words is "twenty-two billion, twenty-four million, twenty-two thousand, four".