22073988 has 48 divisors (see below), whose sum is σ = 53786880. Its totient is φ = 7037184.

The previous prime is 22073983. The next prime is 22074011. The reversal of 22073988 is 88937022.

It is not an unprimeable number, because it can be changed into a prime (22073981) 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, 47445 + ... + 47907.

It is an arithmetic number, because the mean of its divisors is an integer number (1120560).

Almost surely, 2^22073988 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 22073988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26893440).

22073988 is an abundant number, since it is smaller than the sum of its proper divisors (31712892).

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

22073988 is a wasteful number, since it uses less digits than its factorization.

22073988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 22073988 is about 4698.2962869534. The cubic root of 22073988 is about 280.5176986872.

The spelling of 22073988 in words is "twenty-two million, seventy-three thousand, nine hundred eighty-eight".