22676840 has 64 divisors (see below), whose sum is σ = 53557200. Its totient is φ = 8630272.

The previous prime is 22676839. The next prime is 22676851. The reversal of 22676840 is 4867622.

22676840 = T₁₇₅ + T₁₇₆ + ... + T₅₂₀.

It can be written as a sum of positive squares in 8 ways, for example, as 8099716 + 14577124 = 2846^2 + 3818^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22676840.

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, 130994 + ... + 131166.

Almost surely, 2^22676840 is an apocalyptic number.

22676840 is a gapful number since it is divisible by the number (20) 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 22676840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26778600).

22676840 is an abundant number, since it is smaller than the sum of its proper divisors (30880360).

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

22676840 is a wasteful number, since it uses less digits than its factorization.

22676840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 22676840 is about 4762.0205795439. The cubic root of 22676840 is about 283.0484919006.

The spelling of 22676840 in words is "twenty-two million, six hundred seventy-six thousand, eight hundred forty".