22257763408 has 80 divisors (see below), whose sum is σ = 47559178240. Its totient is φ = 10050480000.

The previous prime is 22257763397. The next prime is 22257763433. The reversal of 22257763408 is 80436775222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613783 + ... + 649033.

It is an arithmetic number, because the mean of its divisors is an integer number (594489728).

Almost surely, 2^22257763408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22257763408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23779589120).

22257763408 is an abundant number, since it is smaller than the sum of its proper divisors (25301414832).

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

22257763408 is a wasteful number, since it uses less digits than its factorization.

22257763408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35376 (or 35370 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 22257763408 in words is "twenty-two billion, two hundred fifty-seven million, seven hundred sixty-three thousand, four hundred eight".