22494160 has 80 divisors (see below), whose sum is σ = 57746304. Its totient is φ = 8096256.

The previous prime is 22494151. The next prime is 22494181. The reversal of 22494160 is 6149422.

It is a tau number, because it is divible by the number of its divisors (80).

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, 44469 + ... + 44971.

Almost surely, 2^22494160 is an apocalyptic number.

22494160 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 22494160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28873152).

22494160 is an abundant number, since it is smaller than the sum of its proper divisors (35252144).

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

22494160 is a wasteful number, since it uses less digits than its factorization.

22494160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 22494160 is about 4742.8008602513. The cubic root of 22494160 is about 282.2863814379.

The spelling of 22494160 in words is "twenty-two million, four hundred ninety-four thousand, one hundred sixty".