22090752 has 176 divisors, whose sum is σ = 70744320. Its totient is φ = 6782976.

The previous prime is 22090751. The next prime is 22090793. The reversal of 22090752 is 25709022.

It is a happy number.

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 (22090751) 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, 469993 + ... + 470039.

Almost surely, 2^22090752 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 22090752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35372160).

22090752 is an abundant number, since it is smaller than the sum of its proper divisors (48653568).

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

22090752 is a wasteful number, since it uses less digits than its factorization.

22090752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 22090752 is about 4700.0799993192. The cubic root of 22090752 is about 280.5886933914.

Adding to 22090752 its reverse (25709022), we get a palindrome (47799774).

The spelling of 22090752 in words is "twenty-two million, ninety thousand, seven hundred fifty-two".