22027680 has 96 divisors (see below), whose sum is σ = 77112000. Its totient is φ = 5872896.

The previous prime is 22027673. The next prime is 22027711. The reversal of 22027680 is 8672022.

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

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 1771 + ... + 6869.

It is an arithmetic number, because the mean of its divisors is an integer number (803250).

Almost surely, 2^22027680 is an apocalyptic number.

22027680 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 22027680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38556000).

22027680 is an abundant number, since it is smaller than the sum of its proper divisors (55084320).

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

22027680 is a wasteful number, since it uses less digits than its factorization.

22027680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123 (or 5109 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 22027680 is about 4693.3655301926. The cubic root of 22027680 is about 280.3213996459.

The spelling of 22027680 in words is "twenty-two million, twenty-seven thousand, six hundred eighty".