42558722 has 16 divisors (see below), whose sum is σ = 66739200. Its totient is φ = 20329920.

The previous prime is 42558709. The next prime is 42558731. The reversal of 42558722 is 22785524.

It is a super-2 number, since 2×42558722² = 3622489636546568, which contains 22 as substring.

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, 554 + ... + 9242.

It is an arithmetic number, because the mean of its divisors is an integer number (4171200).

Almost surely, 2^42558722 is an apocalyptic number.

42558722 is a deficient number, since it is larger than the sum of its proper divisors (24180478).

42558722 is a wasteful number, since it uses less digits than its factorization.

42558722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8801.

The product of its digits is 44800, while the sum is 35.

The square root of 42558722 is about 6523.7046223752. The cubic root of 42558722 is about 349.1372546836.

The spelling of 42558722 in words is "forty-two million, five hundred fifty-eight thousand, seven hundred twenty-two".