22790585388 has 48 divisors (see below), whose sum is σ = 53325296640. Its totient is φ = 7575859200.

The previous prime is 22790585369. The next prime is 22790585393. The reversal of 22790585388 is 88358509722.

It is a super-2 number, since 2×22790585388² (a number of 22 digits) contains 22 as substring.

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, 8405353 + ... + 8408063.

It is an arithmetic number, because the mean of its divisors is an integer number (1110943680).

Almost surely, 2^22790585388 is an apocalyptic number.

It is an amenable number.

22790585388 is an abundant number, since it is smaller than the sum of its proper divisors (30534711252).

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

22790585388 is a wasteful number, since it uses less digits than its factorization.

22790585388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398 (or 4396 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 22790585388 in words is "twenty-two billion, seven hundred ninety million, five hundred eighty-five thousand, three hundred eighty-eight".