22978600 has 48 divisors (see below), whose sum is σ = 56246400. Its totient is φ = 8706240.

The previous prime is 22978597. The next prime is 22978603. The reversal of 22978600 is 687922.

It is an interprime number because it is at equal distance from previous prime (22978597) and next prime (22978603).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22978603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 777 + ... + 6823.

It is an arithmetic number, because the mean of its divisors is an integer number (1171800).

Almost surely, 2^22978600 is an apocalyptic number.

22978600 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 22978600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28123200).

22978600 is an abundant number, since it is smaller than the sum of its proper divisors (33267800).

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

22978600 is a wasteful number, since it uses less digits than its factorization.

22978600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6082 (or 6073 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 22978600 is about 4793.5998998665. The cubic root of 22978600 is about 284.2984695240.

The spelling of 22978600 in words is "twenty-two million, nine hundred seventy-eight thousand, six hundred".