22868501 has 4 divisors (see below), whose sum is σ = 23657100. Its totient is φ = 22079904.

The previous prime is 22868477. The next prime is 22868513. The reversal of 22868501 is 10586822.

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 19624900 + 3243601 = 4430^2 + 1801^2 .

It is not a de Polignac number, because 22868501 - 2⁶ = 22868437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22868551) 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, 394256 + ... + 394313.

It is an arithmetic number, because the mean of its divisors is an integer number (5914275).

Almost surely, 2^22868501 is an apocalyptic number.

It is an amenable number.

22868501 is a deficient number, since it is larger than the sum of its proper divisors (788599).

22868501 is an equidigital number, since it uses as much as digits as its factorization.

22868501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788598.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 22868501 is about 4782.1021528194. The cubic root of 22868501 is about 283.8436825741.

The spelling of 22868501 in words is "twenty-two million, eight hundred sixty-eight thousand, five hundred one".