22375638340 has 48 divisors (see below), whose sum is σ = 54275889024. Its totient is φ = 7657971200.

The previous prime is 22375638277. The next prime is 22375638367. The reversal of 22375638340 is 4383657322.

It is a super-2 number, since 2×22375638340² (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, 2987656 + ... + 2995135.

It is an arithmetic number, because the mean of its divisors is an integer number (1130747688).

Almost surely, 2^22375638340 is an apocalyptic number.

22375638340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22375638340 is an abundant number, since it is smaller than the sum of its proper divisors (31900250684).

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

22375638340 is a wasteful number, since it uses less digits than its factorization.

22375638340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5982828 (or 5982826 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 22375638340 in words is "twenty-two billion, three hundred seventy-five million, six hundred thirty-eight thousand, three hundred forty".