77224233 has 16 divisors (see below), whose sum is σ = 105235200. Its totient is φ = 50354304.

The previous prime is 77224229. The next prime is 77224241. The reversal of 77224233 is 33242277.

It is not a de Polignac number, because 77224233 - 2² = 77224229 is a prime.

Its product of digits (14112) is a multiple of the sum of its prime divisors (1568).

It is a self number, because there is not a number n which added to its sum of digits gives 77224233.

It is not an unprimeable number, because it can be changed into a prime (77224223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73093 + ... + 74141.

It is an arithmetic number, because the mean of its divisors is an integer number (6577200).

Almost surely, 2^77224233 is an apocalyptic number.

It is an amenable number.

77224233 is a deficient number, since it is larger than the sum of its proper divisors (28010967).

77224233 is a wasteful number, since it uses less digits than its factorization.

77224233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568.

The product of its digits is 14112, while the sum is 30.

The square root of 77224233 is about 8787.7319599542. The cubic root of 77224233 is about 425.8446556077.

The spelling of 77224233 in words is "seventy-seven million, two hundred twenty-four thousand, two hundred thirty-three".