22045760 has 56 divisors (see below), whose sum is σ = 57278016. Its totient is φ = 8015360.

The previous prime is 22045759. The next prime is 22045801. The reversal of 22045760 is 6754022.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389 + ... + 6651.

Almost surely, 2^22045760 is an apocalyptic number.

22045760 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 22045760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28639008).

22045760 is an abundant number, since it is smaller than the sum of its proper divisors (35232256).

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

22045760 is a wasteful number, since it uses less digits than its factorization.

22045760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6291 (or 6281 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 22045760 is about 4695.2912582714. The cubic root of 22045760 is about 280.3980732508.

Adding to 22045760 its reverse (6754022), we get a palindrome (28799782).

The spelling of 22045760 in words is "twenty-two million, forty-five thousand, seven hundred sixty".