22958780 has 48 divisors (see below), whose sum is σ = 52284960. Its totient is φ = 8418048.

The previous prime is 22958777. The next prime is 22958791. The reversal of 22958780 is 8785922.

It is a happy number.

It is a congruent number.

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, 58826 + ... + 59214.

It is an arithmetic number, because the mean of its divisors is an integer number (1089270).

Almost surely, 2^22958780 is an apocalyptic number.

22958780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22958780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26142480).

22958780 is an abundant number, since it is smaller than the sum of its proper divisors (29326180).

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

22958780 is a wasteful number, since it uses less digits than its factorization.

22958780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 22958780 is about 4791.5321140529. The cubic root of 22958780 is about 284.2167062526.

The spelling of 22958780 in words is "twenty-two million, nine hundred fifty-eight thousand, seven hundred eighty".