22864285 has 8 divisors (see below), whose sum is σ = 27484416. Its totient is φ = 18259920.

The previous prime is 22864273. The next prime is 22864291. The reversal of 22864285 is 58246822.

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

It is not a de Polignac number, because 22864285 - 2⁷ = 22864157 is a prime.

It is a super-2 number, since 2×22864285² = 1045551057122450, which contains 22 as substring.

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, 469 + ... + 6778.

It is an arithmetic number, because the mean of its divisors is an integer number (3435552).

Almost surely, 2^22864285 is an apocalyptic number.

It is an amenable number.

22864285 is a deficient number, since it is larger than the sum of its proper divisors (4620131).

22864285 is an equidigital number, since it uses as much as digits as its factorization.

22864285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7883.

The product of its digits is 61440, while the sum is 37.

The square root of 22864285 is about 4781.6613221766. The cubic root of 22864285 is about 283.8262385140.

The spelling of 22864285 in words is "twenty-two million, eight hundred sixty-four thousand, two hundred eighty-five".