22634456 has 32 divisors (see below), whose sum is σ = 46169760. Its totient is φ = 10340352.

The previous prime is 22634449. The next prime is 22634473. The reversal of 22634456 is 65443622.

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, 9656 + ... + 11768.

It is an arithmetic number, because the mean of its divisors is an integer number (1442805).

Almost surely, 2^22634456 is an apocalyptic number.

22634456 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 22634456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23084880).

22634456 is an abundant number, since it is smaller than the sum of its proper divisors (23535304).

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

22634456 is a wasteful number, since it uses less digits than its factorization.

22634456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235 (or 2231 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 22634456 is about 4757.5682864253. The cubic root of 22634456 is about 282.8720386090.

The spelling of 22634456 in words is "twenty-two million, six hundred thirty-four thousand, four hundred fifty-six".