45637222 has 8 divisors (see below), whose sum is σ = 68672736. Its totient is φ = 22746312.

The previous prime is 45637219. The next prime is 45637253. The reversal of 45637222 is 22273654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35358 + ... + 36625.

It is an arithmetic number, because the mean of its divisors is an integer number (8584092).

Almost surely, 2^45637222 is an apocalyptic number.

45637222 is a deficient number, since it is larger than the sum of its proper divisors (23035514).

45637222 is a wasteful number, since it uses less digits than its factorization.

45637222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72302.

The product of its digits is 20160, while the sum is 31.

The square root of 45637222 is about 6755.5326955023. The cubic root of 45637222 is about 357.3603790775.

The spelling of 45637222 in words is "forty-five million, six hundred thirty-seven thousand, two hundred twenty-two".