22776396 has 48 divisors (see below), whose sum is σ = 56609280. Its totient is φ = 7102720.

The previous prime is 22776389. The next prime is 22776427. The reversal of 22776396 is 69367722.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63265 + ... + 63623.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 2^22776396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22776396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28304640).

22776396 is an abundant number, since it is smaller than the sum of its proper divisors (33832884).

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

22776396 is a wasteful number, since it uses less digits than its factorization.

22776396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 692 counting only the distinct ones).

The product of its digits is 190512, while the sum is 42.

The square root of 22776396 is about 4772.4622575773. The cubic root of 22776396 is about 283.4621009467.

The spelling of 22776396 in words is "twenty-two million, seven hundred seventy-six thousand, three hundred ninety-six".