22204042056 has 80 divisors (see below), whose sum is σ = 71076445440. Its totient is φ = 6344010720.

The previous prime is 22204042037. The next prime is 22204042073. The reversal of 22204042056 is 65024040222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2443000 + ... + 2452071.

It is an arithmetic number, because the mean of its divisors is an integer number (888455568).

Almost surely, 2^22204042056 is an apocalyptic number.

It is an amenable number.

22204042056 is an abundant number, since it is smaller than the sum of its proper divisors (48872403384).

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

22204042056 is a wasteful number, since it uses less digits than its factorization.

22204042056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4895096 (or 4895083 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 22204042056 its reverse (65024040222), we get a palindrome (87228082278).

The spelling of 22204042056 in words is "twenty-two billion, two hundred four million, forty-two thousand, fifty-six".