22298400 has 216 divisors, whose sum is σ = 83275920. Its totient is φ = 5598720.

The previous prime is 22298387. The next prime is 22298429. The reversal of 22298400 is 489222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 136719 + ... + 136881.

Almost surely, 2^22298400 is an apocalyptic number.

22298400 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 22298400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41637960).

22298400 is an abundant number, since it is smaller than the sum of its proper divisors (60977520).

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

22298400 is a wasteful number, since it uses less digits than its factorization.

22298400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 22298400 is about 4722.1181687882. The cubic root of 22298400 is about 281.4651095091.

The spelling of 22298400 in words is "twenty-two million, two hundred ninety-eight thousand, four hundred".