42825322 has 16 divisors (see below), whose sum is σ = 66553344. Its totient is φ = 20646000.

The previous prime is 42825281. The next prime is 42825331. The reversal of 42825322 is 22352824.

It is a happy number.

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, 18172 + ... + 20392.

It is an arithmetic number, because the mean of its divisors is an integer number (4159584).

Almost surely, 2^42825322 is an apocalyptic number.

42825322 is a deficient number, since it is larger than the sum of its proper divisors (23728022).

42825322 is a wasteful number, since it uses less digits than its factorization.

42825322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565.

The product of its digits is 7680, while the sum is 28.

The square root of 42825322 is about 6544.1058976762. The cubic root of 42825322 is about 349.8647695261.

It can be divided in two parts, 428253 and 22, that added together give a triangular number (428275 = T₉₂₅).

The spelling of 42825322 in words is "forty-two million, eight hundred twenty-five thousand, three hundred twenty-two".