74224888 has 16 divisors (see below), whose sum is σ = 140175000. Its totient is φ = 36844896.

The previous prime is 74224879. The next prime is 74224889. The reversal of 74224888 is 88842247.

It is a super-2 number, since 2×74224888² = 11018667997225088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74224889) by changing a digit.

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, 32263 + ... + 34486.

Almost surely, 2^74224888 is an apocalyptic number.

It is an amenable number.

74224888 is a deficient number, since it is larger than the sum of its proper divisors (65950112).

74224888 is a wasteful number, since it uses less digits than its factorization.

74224888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66894 (or 66890 counting only the distinct ones).

The product of its digits is 229376, while the sum is 43.

The square root of 74224888 is about 8615.3867005492. The cubic root of 74224888 is about 420.2585105439.

The spelling of 74224888 in words is "seventy-four million, two hundred twenty-four thousand, eight hundred eighty-eight".