22789455 has 32 divisors (see below), whose sum is σ = 41341440. Its totient is φ = 10627200.

The previous prime is 22789451. The next prime is 22789483. The reversal of 22789455 is 55498722.

It is not a de Polignac number, because 22789455 - 2² = 22789451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22789451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 630 + ... + 6780.

It is an arithmetic number, because the mean of its divisors is an integer number (1291920).

Almost surely, 2^22789455 is an apocalyptic number.

22789455 is a deficient number, since it is larger than the sum of its proper divisors (18551985).

22789455 is a wasteful number, since it uses less digits than its factorization.

22789455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6191.

The product of its digits is 201600, while the sum is 42.

The square root of 22789455 is about 4773.8302232065. The cubic root of 22789455 is about 283.5162655642.

The spelling of 22789455 in words is "twenty-two million, seven hundred eighty-nine thousand, four hundred fifty-five".