22500285 has 8 divisors (see below), whose sum is σ = 36000480. Its totient is φ = 12000144.

The previous prime is 22500271. The next prime is 22500287. The reversal of 22500285 is 58200522.

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

It is not a de Polignac number, because 22500285 - 2⁷ = 22500157 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22500287) 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, 749995 + ... + 750024.

It is an arithmetic number, because the mean of its divisors is an integer number (4500060).

Almost surely, 2^22500285 is an apocalyptic number.

It is an amenable number.

22500285 is a deficient number, since it is larger than the sum of its proper divisors (13500195).

22500285 is a wasteful number, since it uses less digits than its factorization.

22500285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500027.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 22500285 is about 4743.4465317952. The cubic root of 22500285 is about 282.3120006382.

The spelling of 22500285 in words is "twenty-two million, five hundred thousand, two hundred eighty-five".