45222489 has 32 divisors (see below), whose sum is σ = 75958400. Its totient is φ = 26360640.

The previous prime is 45222479. The next prime is 45222493. The reversal of 45222489 is 98422254.

It is not a de Polignac number, because 45222489 - 2⁷ = 45222361 is a prime.

It is a super-2 number, since 2×45222489² = 4090147022710242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45222449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3279 + ... + 10059.

It is an arithmetic number, because the mean of its divisors is an integer number (2373700).

Almost surely, 2^45222489 is an apocalyptic number.

It is an amenable number.

45222489 is a deficient number, since it is larger than the sum of its proper divisors (30735911).

45222489 is a wasteful number, since it uses less digits than its factorization.

45222489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6822 (or 6816 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 45222489 is about 6724.7668361067. The cubic root of 45222489 is about 356.2745667269.

The spelling of 45222489 in words is "forty-five million, two hundred twenty-two thousand, four hundred eighty-nine".