77224332 has 24 divisors (see below), whose sum is σ = 186404400. Its totient is φ = 24853696.

The previous prime is 77224331. The next prime is 77224351. The reversal of 77224332 is 23342277.

It is a self number, because there is not a number n which added to its sum of digits gives 77224332.

It is not an unprimeable number, because it can be changed into a prime (77224331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110607 + ... + 111302.

It is an arithmetic number, because the mean of its divisors is an integer number (7766850).

Almost surely, 2^77224332 is an apocalyptic number.

It is an amenable number.

77224332 is an abundant number, since it is smaller than the sum of its proper divisors (109180068).

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

77224332 is a wasteful number, since it uses less digits than its factorization.

77224332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221945 (or 221943 counting only the distinct ones).

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

The square root of 77224332 is about 8787.7375928051. The cubic root of 77224332 is about 425.8448375826.

The spelling of 77224332 in words is "seventy-seven million, two hundred twenty-four thousand, three hundred thirty-two".