22974600 has 144 divisors (see below), whose sum is σ = 79035120. Its totient is φ = 5475200.

The previous prime is 22974577. The next prime is 22974607. The reversal of 22974600 is 647922.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (22974607) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 389371 + ... + 389429.

It is an arithmetic number, because the mean of its divisors is an integer number (548855).

Almost surely, 2^22974600 is an apocalyptic number.

22974600 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 22974600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39517560).

22974600 is an abundant number, since it is smaller than the sum of its proper divisors (56060520).

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

22974600 is a wasteful number, since it uses less digits than its factorization.

22974600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 22974600 is about 4793.1826587352. The cubic root of 22974600 is about 284.2819721472.

The spelling of 22974600 in words is "twenty-two million, nine hundred seventy-four thousand, six hundred".