45905622 has 16 divisors (see below), whose sum is σ = 104927232. Its totient is φ = 13115880.

The previous prime is 45905603. The next prime is 45905647. The reversal of 45905622 is 22650954.

It is a super-2 number, since 2×45905622² = 4214652262413768, which 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 7 ways as a sum of consecutive naturals, for example, 546454 + ... + 546537.

It is an arithmetic number, because the mean of its divisors is an integer number (6557952).

Almost surely, 2^45905622 is an apocalyptic number.

45905622 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

45905622 is an abundant number, since it is smaller than the sum of its proper divisors (59021610).

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

45905622 is a wasteful number, since it uses less digits than its factorization.

45905622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093003.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 45905622 is about 6775.3687722514. The cubic root of 45905622 is about 358.0595752004.

The spelling of 45905622 in words is "forty-five million, nine hundred five thousand, six hundred twenty-two".