45522250 has 16 divisors (see below), whose sum is σ = 85218120. Its totient is φ = 18208800.

The previous prime is 45522193. The next prime is 45522293. The reversal of 45522250 is 5222554.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17464041 + 28058209 = 4179^2 + 5297^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 90795 + ... + 91294.

Almost surely, 2^45522250 is an apocalyptic number.

45522250 is a deficient number, since it is larger than the sum of its proper divisors (39695870).

45522250 is a wasteful number, since it uses less digits than its factorization.

45522250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182106 (or 182096 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 45522250 is about 6747.0178597659. The cubic root of 45522250 is about 357.0600322221.

The spelling of 45522250 in words is "forty-five million, five hundred twenty-two thousand, two hundred fifty".