22030688 has 48 divisors (see below), whose sum is σ = 46539360. Its totient is φ = 10238976.

The previous prime is 22030667. The next prime is 22030703. The reversal of 22030688 is 88603022.

It is a self number, because there is not a number n which added to its sum of digits gives 22030688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26828 + ... + 27636.

It is an arithmetic number, because the mean of its divisors is an integer number (969570).

Almost surely, 2^22030688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22030688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23269680).

22030688 is an abundant number, since it is smaller than the sum of its proper divisors (24508672).

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

22030688 is a wasteful number, since it uses less digits than its factorization.

22030688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 22030688 is about 4693.6859716006. The cubic root of 22030688 is about 280.3341588711.

The spelling of 22030688 in words is "twenty-two million, thirty thousand, six hundred eighty-eight".