22812296 has 48 divisors (see below), whose sum is σ = 47433600. Its totient is φ = 10276032.

The previous prime is 22812289. The next prime is 22812319. The reversal of 22812296 is 69221822.

22812296 = T₁₄₃ + T₁₄₄ + ... + T₅₁₈.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63365 + ... + 63723.

It is an arithmetic number, because the mean of its divisors is an integer number (988200).

Almost surely, 2^22812296 is an apocalyptic number.

22812296 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22812296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23716800).

22812296 is an abundant number, since it is smaller than the sum of its proper divisors (24621304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22812296 is a wasteful number, since it uses less digits than its factorization.

22812296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 421 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 22812296 is about 4776.2219378919. The cubic root of 22812296 is about 283.6109531108.

The spelling of 22812296 in words is "twenty-two million, eight hundred twelve thousand, two hundred ninety-six".