22704000 has 256 divisors, whose sum is σ = 84015360. Its totient is φ = 5376000.

The previous prime is 22703987. The next prime is 22704007. The reversal of 22704000 is 40722.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22704007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 527979 + ... + 528021.

It is an arithmetic number, because the mean of its divisors is an integer number (328185).

Almost surely, 2^22704000 is an apocalyptic number.

22704000 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 22704000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42007680).

22704000 is an abundant number, since it is smaller than the sum of its proper divisors (61311360).

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

22704000 is a wasteful number, since it uses less digits than its factorization.

22704000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 22704000 is about 4764.8714568181. The cubic root of 22704000 is about 283.1614489961.

Adding to 22704000 its reverse (40722), we get a palindrome (22744722).

Subtracting from 22704000 its reverse (40722), we obtain a triangular number (22663278 = T₆₇₃₂).

The spelling of 22704000 in words is "twenty-two million, seven hundred four thousand".