22797891390 has 32 divisors (see below), whose sum is σ = 54719058816. Its totient is φ = 6078980000.

The previous prime is 22797891271. The next prime is 22797891407. The reversal of 22797891390 is 9319879722.

It is a super-2 number, since 2×22797891390² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22797891390.

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, 610765 + ... + 647015.

It is an arithmetic number, because the mean of its divisors is an integer number (1709970588).

Almost surely, 2^22797891390 is an apocalyptic number.

22797891390 is an abundant number, since it is smaller than the sum of its proper divisors (31921167426).

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

22797891390 is a wasteful number, since it uses less digits than its factorization.

22797891390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57224.

The product of its (nonzero) digits is 3429216, while the sum is 57.

The spelling of 22797891390 in words is "twenty-two billion, seven hundred ninety-seven million, eight hundred ninety-one thousand, three hundred ninety".