45222177 has 72 divisors (see below), whose sum is σ = 83834688. Its totient is φ = 21098880.

The previous prime is 45222161. The next prime is 45222179. The reversal of 45222177 is 77122254.

It is not a de Polignac number, because 45222177 - 2⁴ = 45222161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45222179) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1222203 + ... + 1222239.

Almost surely, 2^45222177 is an apocalyptic number.

It is an amenable number.

45222177 is a deficient number, since it is larger than the sum of its proper divisors (38612511).

45222177 is a wasteful number, since it uses less digits than its factorization.

45222177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 71 counting only the distinct ones).

The product of its digits is 7840, while the sum is 30.

The square root of 45222177 is about 6724.7436382363. The cubic root of 45222177 is about 356.2737473859.

It can be divided in two parts, 45 and 222177, that added together give a palindrome (222222).

The spelling of 45222177 in words is "forty-five million, two hundred twenty-two thousand, one hundred seventy-seven".