22788330 has 32 divisors (see below), whose sum is σ = 57910464. Its totient is φ = 5719296.

The previous prime is 22788329. The next prime is 22788341. The reversal of 22788330 is 3388722.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22788291 and 22788300.

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, 21832 + ... + 22851.

It is an arithmetic number, because the mean of its divisors is an integer number (1809702).

Almost surely, 2^22788330 is an apocalyptic number.

22788330 is an abundant number, since it is smaller than the sum of its proper divisors (35122134).

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

22788330 is a wasteful number, since it uses less digits than its factorization.

22788330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44710.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 22788330 is about 4773.7123918393. The cubic root of 22788330 is about 283.5116002333.

The spelling of 22788330 in words is "twenty-two million, seven hundred eighty-eight thousand, three hundred thirty".