22668744 has 64 divisors (see below), whose sum is σ = 65894400. Its totient is φ = 6364224.

The previous prime is 22668733. The next prime is 22668757. The reversal of 22668744 is 44786622.

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

It is a zygodrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8769 + ... + 11055.

It is an arithmetic number, because the mean of its divisors is an integer number (1029600).

Almost surely, 2^22668744 is an apocalyptic number.

22668744 is a gapful number since it is divisible by the number (24) 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 22668744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32947200).

22668744 is an abundant number, since it is smaller than the sum of its proper divisors (43225656).

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

22668744 is a wasteful number, since it uses less digits than its factorization.

22668744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362 (or 2358 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 22668744 is about 4761.1704443340. The cubic root of 22668744 is about 283.0148035891.

The spelling of 22668744 in words is "twenty-two million, six hundred sixty-eight thousand, seven hundred forty-four".