22953285 has 12 divisors (see below), whose sum is σ = 39785772. Its totient is φ = 12241728.

The previous prime is 22953277. The next prime is 22953289. The reversal of 22953285 is 58235922.

It can be written as a sum of positive squares in 2 ways, for example, as 5788836 + 17164449 = 2406^2 + 4143^2 .

It is not a de Polignac number, because 22953285 - 2³ = 22953277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22953289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254992 + ... + 255081.

It is an arithmetic number, because the mean of its divisors is an integer number (3315481).

Almost surely, 2^22953285 is an apocalyptic number.

It is an amenable number.

22953285 is a deficient number, since it is larger than the sum of its proper divisors (16832487).

22953285 is a wasteful number, since it uses less digits than its factorization.

22953285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510084 (or 510081 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 22953285 is about 4790.9586723327. The cubic root of 22953285 is about 284.1940294464.

The spelling of 22953285 in words is "twenty-two million, nine hundred fifty-three thousand, two hundred eighty-five".