22713001 has 4 divisors (see below), whose sum is σ = 23024212. Its totient is φ = 22401792.

The previous prime is 22712993. The next prime is 22713007. The reversal of 22713001 is 10031722.

It is a happy number.

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 10989225 + 11723776 = 3315^2 + 3424^2 .

It is a cyclic number.

It is not a de Polignac number, because 22713001 - 2³ = 22712993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22713007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155496 + ... + 155641.

It is an arithmetic number, because the mean of its divisors is an integer number (5756053).

Almost surely, 2^22713001 is an apocalyptic number.

It is an amenable number.

22713001 is a deficient number, since it is larger than the sum of its proper divisors (311211).

22713001 is an equidigital number, since it uses as much as digits as its factorization.

22713001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311210.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 22713001 is about 4765.8158797839. The cubic root of 22713001 is about 283.1988638343.

Adding to 22713001 its reverse (10031722), we get a palindrome (32744723).

The spelling of 22713001 in words is "twenty-two million, seven hundred thirteen thousand, one".