74224444 has 12 divisors (see below), whose sum is σ = 148448944. Its totient is φ = 31810464.

The previous prime is 74224399. The next prime is 74224453. The reversal of 74224444 is 44442247.

74224444 is an admirable number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325409 + ... + 1325464.

Almost surely, 2^74224444 is an apocalyptic number.

It is an amenable number.

74224444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74224444 is a wasteful number, since it uses less digits than its factorization.

74224444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650884 (or 2650882 counting only the distinct ones).

The product of its digits is 28672, while the sum is 31.

The square root of 74224444 is about 8615.3609326598. The cubic root of 74224444 is about 420.2576725718.

The spelling of 74224444 in words is "seventy-four million, two hundred twenty-four thousand, four hundred forty-four".