22030488 has 64 divisors (see below), whose sum is σ = 63324000. Its totient is φ = 7088256.

The previous prime is 22030483. The next prime is 22030511. The reversal of 22030488 is 88403022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4506 + ... + 8022.

Almost surely, 2^22030488 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 22030488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31662000).

22030488 is an abundant number, since it is smaller than the sum of its proper divisors (41293512).

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

22030488 is a wasteful number, since it uses less digits than its factorization.

22030488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561 (or 3551 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 22030488 is about 4693.6646663348. The cubic root of 22030488 is about 280.3333105544. Note that the first 4 decimals are identical.

The spelling of 22030488 in words is "twenty-two million, thirty thousand, four hundred eighty-eight".