22704400 has 60 divisors (see below), whose sum is σ = 56337664. Its totient is φ = 8784000.

The previous prime is 22704391. The next prime is 22704403. The reversal of 22704400 is 440722.

It is not an unprimeable number, because it can be changed into a prime (22704403) 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, 11485 + ... + 13315.

Almost surely, 2^22704400 is an apocalyptic number.

22704400 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 22704400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28168832).

22704400 is an abundant number, since it is smaller than the sum of its proper divisors (33633264).

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

22704400 is a wasteful number, since it uses less digits than its factorization.

22704400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880 (or 1869 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 22704400 is about 4764.9134304833. The cubic root of 22704400 is about 283.1631119030.

It can be divided in two parts, 22704 and 400, that added together give a square (23104 = 152²).

The spelling of 22704400 in words is "twenty-two million, seven hundred four thousand, four hundred".