22711680 has 96 divisors (see below), whose sum is σ = 78446160. Its totient is φ = 6054912.

The previous prime is 22711679. The next prime is 22711681. The reversal of 22711680 is 8611722.

It is an interprime number because it is at equal distance from previous prime (22711679) and next prime (22711681).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22711681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3789 + ... + 7731.

Almost surely, 2^22711680 is an apocalyptic number.

22711680 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 22711680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39223080).

22711680 is an abundant number, since it is smaller than the sum of its proper divisors (55734480).

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

22711680 is a wasteful number, since it uses less digits than its factorization.

22711680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968 (or 3953 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 22711680 is about 4765.6772865984. The cubic root of 22711680 is about 283.1933733966.

The spelling of 22711680 in words is "twenty-two million, seven hundred eleven thousand, six hundred eighty".