22772598 has 24 divisors (see below), whose sum is σ = 47180328. Its totient is φ = 7327488.

The previous prime is 22772591. The next prime is 22772641. The reversal of 22772598 is 89527722.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22772591) 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 11 ways as a sum of consecutive naturals, for example, 2790 + ... + 7302.

It is an arithmetic number, because the mean of its divisors is an integer number (1965847).

Almost surely, 2^22772598 is an apocalyptic number.

22772598 is an abundant number, since it is smaller than the sum of its proper divisors (24407730).

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

22772598 is a wasteful number, since it uses less digits than its factorization.

22772598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576 (or 4547 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 22772598 is about 4772.0643331791. The cubic root of 22772598 is about 283.4463441532.

The spelling of 22772598 in words is "twenty-two million, seven hundred seventy-two thousand, five hundred ninety-eight".