22458274340 has 24 divisors (see below), whose sum is σ = 47183004792. Its totient is φ = 8979380480.

The previous prime is 22458274339. The next prime is 22458274357. The reversal of 22458274340 is 4347285422.

It can be written as a sum of positive squares in 4 ways, for example, as 6696476224 + 15761798116 = 81832^2 + 125546^2 .

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, 198491 + ... + 290370.

It is an arithmetic number, because the mean of its divisors is an integer number (1965958533).

Almost surely, 2^22458274340 is an apocalyptic number.

22458274340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22458274340 is an abundant number, since it is smaller than the sum of its proper divisors (24724730452).

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

22458274340 is a wasteful number, since it uses less digits than its factorization.

22458274340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491167 (or 491165 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 41.

The spelling of 22458274340 in words is "twenty-two billion, four hundred fifty-eight million, two hundred seventy-four thousand, three hundred forty".