22715485 has 32 divisors (see below), whose sum is σ = 31685472. Its totient is φ = 15482880.

The previous prime is 22715477. The next prime is 22715489. The reversal of 22715485 is 58451722.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 14661241 + 8054244 = 3829^2 + 2838^2 .

It is not a de Polignac number, because 22715485 - 2³ = 22715477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22715485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22715489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67237 + ... + 67573.

It is an arithmetic number, because the mean of its divisors is an integer number (990171).

Almost surely, 2^22715485 is an apocalyptic number.

It is an amenable number.

22715485 is a deficient number, since it is larger than the sum of its proper divisors (8969987).

22715485 is a wasteful number, since it uses less digits than its factorization.

22715485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433.

The product of its digits is 22400, while the sum is 34.

The square root of 22715485 is about 4766.0764786142. The cubic root of 22715485 is about 283.2091874420.

The spelling of 22715485 in words is "twenty-two million, seven hundred fifteen thousand, four hundred eighty-five".