22077732 has 24 divisors (see below), whose sum is σ = 51990400. Its totient is φ = 7291296.

The previous prime is 22077707. The next prime is 22077739. The reversal of 22077732 is 23777022.

It is a self number, because there is not a number n which added to its sum of digits gives 22077732.

It is not an unprimeable number, because it can be changed into a prime (22077739) 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, 7132 + ... + 9747.

Almost surely, 2^22077732 is an apocalyptic number.

It is an amenable number.

22077732 is an abundant number, since it is smaller than the sum of its proper divisors (29912668).

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

22077732 is a wasteful number, since it uses less digits than its factorization.

22077732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16995 (or 16993 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 22077732 is about 4698.6947123643. The cubic root of 22077732 is about 280.5335574571.

The spelling of 22077732 in words is "twenty-two million, seventy-seven thousand, seven hundred thirty-two".