22800457 has 4 divisors (see below), whose sum is σ = 22859460. Its totient is φ = 22741456.

The previous prime is 22800433. The next prime is 22800493. The reversal of 22800457 is 75400822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16353936 + 6446521 = 4044^2 + 2539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22800457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22800497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28918 + ... + 29695.

It is an arithmetic number, because the mean of its divisors is an integer number (5714865).

Almost surely, 2^22800457 is an apocalyptic number.

It is an amenable number.

22800457 is a deficient number, since it is larger than the sum of its proper divisors (59003).

22800457 is an equidigital number, since it uses as much as digits as its factorization.

22800457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59002.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 22800457 is about 4774.9824083446. The cubic root of 22800457 is about 283.5618823364.

The spelling of 22800457 in words is "twenty-two million, eight hundred thousand, four hundred fifty-seven".