22257485 has 8 divisors (see below), whose sum is σ = 26814456. Its totient is φ = 17735680.

The previous prime is 22257479. The next prime is 22257503. The reversal of 22257485 is 58475222.

It can be written as a sum of positive squares in 4 ways, for example, as 5822569 + 16434916 = 2413^2 + 4054^2 .

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

It is not a de Polignac number, because 22257485 - 2²⁴ = 5480269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7376 + ... + 9945.

It is an arithmetic number, because the mean of its divisors is an integer number (3351807).

Almost surely, 2^22257485 is an apocalyptic number.

It is an amenable number.

22257485 is a deficient number, since it is larger than the sum of its proper divisors (4556971).

22257485 is a wasteful number, since it uses less digits than its factorization.

22257485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17583.

The product of its digits is 44800, while the sum is 35.

The square root of 22257485 is about 4717.7839077262. The cubic root of 22257485 is about 281.2928520714.

The spelling of 22257485 in words is "twenty-two million, two hundred fifty-seven thousand, four hundred eighty-five".