22056300 has 180 divisors, whose sum is σ = 81921840. Its totient is φ = 5028480.

The previous prime is 22056277. The next prime is 22056311. The reversal of 22056300 is 365022.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 59 ways as a sum of consecutive naturals, for example, 56506 + ... + 56894.

Almost surely, 2^22056300 is an apocalyptic number.

22056300 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 22056300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40960920).

22056300 is an abundant number, since it is smaller than the sum of its proper divisors (59865540).

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

22056300 is a wasteful number, since it uses less digits than its factorization.

22056300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 22056300 is about 4696.4135252339. The cubic root of 22056300 is about 280.4427519075.

The spelling of 22056300 in words is "twenty-two million, fifty-six thousand, three hundred".