22772285 has 8 divisors (see below), whose sum is σ = 27368160. Its totient is φ = 18190224.

The previous prime is 22772273. The next prime is 22772293. The reversal of 22772285 is 58227722.

It is a happy number.

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 22772285 - 2¹⁰ = 22771261 is a prime.

It is a Curzon 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, 614 + ... + 6776.

It is an arithmetic number, because the mean of its divisors is an integer number (3421020).

Almost surely, 2^22772285 is an apocalyptic number.

It is an amenable number.

22772285 is a deficient number, since it is larger than the sum of its proper divisors (4595875).

22772285 is an equidigital number, since it uses as much as digits as its factorization.

22772285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6907.

The product of its digits is 31360, while the sum is 35.

The square root of 22772285 is about 4772.0315380349. The cubic root of 22772285 is about 283.4450455294.

The spelling of 22772285 in words is "twenty-two million, seven hundred seventy-two thousand, two hundred eighty-five".