45222537 has 8 divisors (see below), whose sum is σ = 60696640. Its totient is φ = 29948400.

The previous prime is 45222517. The next prime is 45222539. The reversal of 45222537 is 73522254.

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

It is not a de Polignac number, because 45222537 - 2²² = 41028233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45222539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49462 + ... + 50367.

It is an arithmetic number, because the mean of its divisors is an integer number (7587080).

Almost surely, 2^45222537 is an apocalyptic number.

It is an amenable number.

45222537 is a deficient number, since it is larger than the sum of its proper divisors (15474103).

45222537 is a wasteful number, since it uses less digits than its factorization.

45222537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99983.

The product of its digits is 16800, while the sum is 30.

The square root of 45222537 is about 6724.7704050027. The cubic root of 45222537 is about 356.2746927790.

The spelling of 45222537 in words is "forty-five million, two hundred twenty-two thousand, five hundred thirty-seven".