42224136 has 32 divisors (see below), whose sum is σ = 110151360. Its totient is φ = 13462592.

The previous prime is 42224111. The next prime is 42224167. The reversal of 42224136 is 63142224.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37695 + ... + 38798.

It is an arithmetic number, because the mean of its divisors is an integer number (3442230).

Almost surely, 2^42224136 is an apocalyptic number.

42224136 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

42224136 is an abundant number, since it is smaller than the sum of its proper divisors (67927224).

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

42224136 is a wasteful number, since it uses less digits than its factorization.

42224136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76525 (or 76521 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 42224136 is about 6498.0101569634. The cubic root of 42224136 is about 348.2199032902.

The spelling of 42224136 in words is "forty-two million, two hundred twenty-four thousand, one hundred thirty-six".