22199760 has 120 divisors (see below), whose sum is σ = 81360864. Its totient is φ = 5379840.

The previous prime is 22199747. The next prime is 22199767. The reversal of 22199760 is 6799122.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22199767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6519 + ... + 9321.

Almost surely, 2^22199760 is an apocalyptic number.

22199760 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 22199760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40680432).

22199760 is an abundant number, since it is smaller than the sum of its proper divisors (59161104).

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

22199760 is a wasteful number, since it uses less digits than its factorization.

22199760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833 (or 2824 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 22199760 is about 4711.6621271055. The cubic root of 22199760 is about 281.0494629729.

The spelling of 22199760 in words is "twenty-two million, one hundred ninety-nine thousand, seven hundred sixty".