22945286 has 32 divisors (see below), whose sum is σ = 42712320. Its totient is φ = 9002016.

The previous prime is 22945261. The next prime is 22945327. The reversal of 22945286 is 68254922.

It is a super-2 number, since 2×22945286² = 1052972299243592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24845 + ... + 25751.

It is an arithmetic number, because the mean of its divisors is an integer number (1334760).

Almost surely, 2^22945286 is an apocalyptic number.

22945286 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22945286 is a deficient number, since it is larger than the sum of its proper divisors (19767034).

22945286 is a wasteful number, since it uses less digits than its factorization.

22945286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068.

The product of its digits is 69120, while the sum is 38.

The square root of 22945286 is about 4790.1237979827. The cubic root of 22945286 is about 284.1610126449.

The spelling of 22945286 in words is "twenty-two million, nine hundred forty-five thousand, two hundred eighty-six".