18250958622 has 24 divisors (see below), whose sum is σ = 39525746904. Its totient is φ = 5615679264.

The previous prime is 18250958603. The next prime is 18250958669. The reversal of 18250958622 is 22685905281.

It is a super-2 number, since 2×18250958622² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8998473 + ... + 9000500.

It is an arithmetic number, because the mean of its divisors is an integer number (1646906121).

Almost surely, 2^18250958622 is an apocalyptic number.

18250958622 is an abundant number, since it is smaller than the sum of its proper divisors (21274788282).

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

18250958622 is a wasteful number, since it uses less digits than its factorization.

18250958622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17999004 (or 17998991 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 18250958622 in words is "eighteen billion, two hundred fifty million, nine hundred fifty-eight thousand, six hundred twenty-two".