22781350122818 has 16 divisors (see below), whose sum is σ = 39548094247680. Its totient is φ = 9639847971936.

The previous prime is 22781350122799. The next prime is 22781350122851. The reversal of 22781350122818 is 81822105318722.

It is a super-2 number, since 2×22781350122818² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10298981771 + ... + 10298983982.

It is an arithmetic number, because the mean of its divisors is an integer number (2471755890480).

Almost surely, 2^{22781350122818} is an apocalyptic number.

22781350122818 is a deficient number, since it is larger than the sum of its proper divisors (16766744124862).

22781350122818 is a wasteful number, since it uses less digits than its factorization.

22781350122818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20597965841.

The product of its (nonzero) digits is 860160, while the sum is 50.

The spelling of 22781350122818 in words is "twenty-two trillion, seven hundred eighty-one billion, three hundred fifty million, one hundred twenty-two thousand, eight hundred eighteen".