22294400 has 48 divisors (see below), whose sum is σ = 55082040. Its totient is φ = 8916480.

The previous prime is 22294399. The next prime is 22294439. The reversal of 22294400 is 449222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 284 + ... + 6683.

Almost surely, 2^22294400 is an apocalyptic number.

22294400 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 22294400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27541020).

22294400 is an abundant number, since it is smaller than the sum of its proper divisors (32787640).

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

22294400 is an equidigital number, since it uses as much as digits as its factorization.

22294400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6991 (or 6974 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22294400 is about 4721.6946110480. The cubic root of 22294400 is about 281.4482782900.

The spelling of 22294400 in words is "twenty-two million, two hundred ninety-four thousand, four hundred".