22807700 has 18 divisors (see below), whose sum is σ = 49492926. Its totient is φ = 9123040.

The previous prime is 22807679. The next prime is 22807709. The reversal of 22807700 is 770822.

It can be written as a sum of positive squares in 3 ways, for example, as 264196 + 22543504 = 514^2 + 4748^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22807700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22807709) 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, 113939 + ... + 114138.

It is an arithmetic number, because the mean of its divisors is an integer number (2749607).

Almost surely, 2^22807700 is an apocalyptic number.

22807700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22807700 is an abundant number, since it is smaller than the sum of its proper divisors (26685226).

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

22807700 is a wasteful number, since it uses less digits than its factorization.

22807700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228091 (or 228084 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 22807700 is about 4775.7407802350. The cubic root of 22807700 is about 283.5919054374.

The spelling of 22807700 in words is "twenty-two million, eight hundred seven thousand, seven hundred".