22366722 has 48 divisors (see below), whose sum is σ = 52678080. Its totient is φ = 6201792.

The previous prime is 22366711. The next prime is 22366739. The reversal of 22366722 is 22766322.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22366722.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57304 + ... + 57692.

It is an arithmetic number, because the mean of its divisors is an integer number (1097460).

Almost surely, 2^22366722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22366722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26339040).

22366722 is an abundant number, since it is smaller than the sum of its proper divisors (30311358).

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

22366722 is a wasteful number, since it uses less digits than its factorization.

22366722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 438 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 22366722 is about 4729.3468893707. The cubic root of 22366722 is about 281.7522848544.

The spelling of 22366722 in words is "twenty-two million, three hundred sixty-six thousand, seven hundred twenty-two".