22122444204 has 36 divisors (see below), whose sum is σ = 63909283984. Its totient is φ = 6320698272.

The previous prime is 22122444193. The next prime is 22122444209. The reversal of 22122444204 is 40244422122.

22122444204 is a `hidden beast` number, since 2 + 2 + 12 + 2 + 444 + 204 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (22122444209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43893487 + ... + 43893990.

Almost surely, 2^22122444204 is an apocalyptic number.

It is an amenable number.

22122444204 is an abundant number, since it is smaller than the sum of its proper divisors (41786839780).

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

22122444204 is a wasteful number, since it uses less digits than its factorization.

22122444204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87787494 (or 87787489 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 22122444204 its reverse (40244422122), we get a palindrome (62366866326).

The spelling of 22122444204 in words is "twenty-two billion, one hundred twenty-two million, four hundred forty-four thousand, two hundred four".