22500647 has 8 divisors (see below), whose sum is σ = 25285344. Its totient is φ = 19866528.

The previous prime is 22500641. The next prime is 22500649. The reversal of 22500647 is 74600522.

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

It is a cyclic number.

It is not a de Polignac number, because 22500647 - 2⁸ = 22500391 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 (22500641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37328 + ... + 37925.

It is an arithmetic number, because the mean of its divisors is an integer number (3160668).

Almost surely, 2^22500647 is an apocalyptic number.

22500647 is a deficient number, since it is larger than the sum of its proper divisors (2784697).

22500647 is a wasteful number, since it uses less digits than its factorization.

22500647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75289.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 22500647 is about 4743.4846895505. The cubic root of 22500647 is about 282.3135146398.

The spelling of 22500647 in words is "twenty-two million, five hundred thousand, six hundred forty-seven".