22913316 has 72 divisors (see below), whose sum is σ = 61661600. Its totient is φ = 7153920.

The previous prime is 22913311. The next prime is 22913329. The reversal of 22913316 is 61331922.

22913316 = T₂₅₉ + T₂₆₀ + ... + T₅₃₆.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22913316.

It is not an unprimeable number, because it can be changed into a prime (22913311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94956 + ... + 95196.

Almost surely, 2^22913316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22913316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30830800).

22913316 is an abundant number, since it is smaller than the sum of its proper divisors (38748284).

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

22913316 is a wasteful number, since it uses less digits than its factorization.

22913316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 404 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 22913316 is about 4786.7855602690. The cubic root of 22913316 is about 284.0289760821.

The spelling of 22913316 in words is "twenty-two million, nine hundred thirteen thousand, three hundred sixteen".