22564726 has 8 divisors (see below), whose sum is σ = 35014320. Its totient is φ = 10893288.

The previous prime is 22564699. The next prime is 22564741. The reversal of 22564726 is 62746522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22564691 and 22564700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194466 + ... + 194581.

It is an arithmetic number, because the mean of its divisors is an integer number (4376790).

Almost surely, 2^22564726 is an apocalyptic number.

22564726 is a deficient number, since it is larger than the sum of its proper divisors (12449594).

22564726 is a wasteful number, since it uses less digits than its factorization.

22564726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389078.

The product of its digits is 40320, while the sum is 34.

The square root of 22564726 is about 4750.2343100104. The cubic root of 22564726 is about 282.5812583747.

The spelling of 22564726 in words is "twenty-two million, five hundred sixty-four thousand, seven hundred twenty-six".