22064800 has 36 divisors (see below), whose sum is σ = 53867646. Its totient is φ = 8825600.

The previous prime is 22064773. The next prime is 22064807. The reversal of 22064800 is 846022.

It can be written as a sum of positive squares in 3 ways, for example, as 21418384 + 646416 = 4628^2 + 804^2 .

It is not an unprimeable number, because it can be changed into a prime (22064807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12991 + ... + 14590.

Almost surely, 2^22064800 is an apocalyptic number.

22064800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22064800 is an abundant number, since it is smaller than the sum of its proper divisors (31802846).

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

22064800 is a wasteful number, since it uses less digits than its factorization.

22064800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27601 (or 27588 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 22064800 is about 4697.3183839293. The cubic root of 22064800 is about 280.4787727154.

The spelling of 22064800 in words is "twenty-two million, sixty-four thousand, eight hundred".