22745760 has 48 divisors (see below), whose sum is σ = 71650656. Its totient is φ = 6065408.

The previous prime is 22745729. The next prime is 22745761. The reversal of 22745760 is 6754722.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (22745761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23214 + ... + 24173.

It is an arithmetic number, because the mean of its divisors is an integer number (1492722).

Almost surely, 2^22745760 is an apocalyptic number.

22745760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22745760 is an abundant number, since it is smaller than the sum of its proper divisors (48904896).

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

22745760 is a wasteful number, since it uses less digits than its factorization.

22745760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47405 (or 47397 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 22745760 is about 4769.2515136025. The cubic root of 22745760 is about 283.3349511634.

The spelling of 22745760 in words is "twenty-two million, seven hundred forty-five thousand, seven hundred sixty".