22494680 has 64 divisors (see below), whose sum is σ = 55036800. Its totient is φ = 8225280.

The previous prime is 22494677. The next prime is 22494701. The reversal of 22494680 is 8649422.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22494680.

It is a congruent number.

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, 94001 + ... + 94239.

It is an arithmetic number, because the mean of its divisors is an integer number (859950).

Almost surely, 2^22494680 is an apocalyptic number.

22494680 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 22494680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27518400).

22494680 is an abundant number, since it is smaller than the sum of its proper divisors (32542120).

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

22494680 is a wasteful number, since it uses less digits than its factorization.

22494680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 22494680 is about 4742.8556798621. The cubic root of 22494680 is about 282.2885566363.

The spelling of 22494680 in words is "twenty-two million, four hundred ninety-four thousand, six hundred eighty".