42392224 has 24 divisors (see below), whose sum is σ = 95383008. Its totient is φ = 18168000.

The previous prime is 42392179. The next prime is 42392263. The reversal of 42392224 is 42229324.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 42392192 and 42392201.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 94402 + ... + 94849.

It is an arithmetic number, because the mean of its divisors is an integer number (3974292).

Almost surely, 2^42392224 is an apocalyptic number.

It is an amenable number.

42392224 is an abundant number, since it is smaller than the sum of its proper divisors (52990784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42392224 is a wasteful number, since it uses less digits than its factorization.

42392224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189268 (or 189260 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 42392224 is about 6510.9311162076. The cubic root of 42392224 is about 348.6813620312.

The spelling of 42392224 in words is "forty-two million, three hundred ninety-two thousand, two hundred twenty-four".