22809109021074 has 24 divisors (see below), whose sum is σ = 49479930807372. Its totient is φ = 7593775633440.

The previous prime is 22809109021073. The next prime is 22809109021081. The reversal of 22809109021074 is 47012090190822.

22809109021074 is a `hidden beast` number, since 2 + 280 + 9 + 1 + 0 + 90 + 210 + 74 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21346201838025 + 1462907183049 = 4620195^2 + 1209507^2 .

It is a super-2 number, since 2×22809109021074² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22809109021073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 771710389 + ... + 771739944.

Almost surely, 2^{22809109021074} is an apocalyptic number.

22809109021074 is an abundant number, since it is smaller than the sum of its proper divisors (26670821786298).

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

22809109021074 is a wasteful number, since it uses less digits than its factorization.

22809109021074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543451162 (or 1543451159 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 22809109021074 in words is "twenty-two trillion, eight hundred nine billion, one hundred nine million, twenty-one thousand, seventy-four".