22052952 has 96 divisors (see below), whose sum is σ = 64369200. Its totient is φ = 6994944.

The previous prime is 22052951. The next prime is 22052959. The reversal of 22052952 is 25925022.

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 (22052951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114168 + ... + 114360.

Almost surely, 2^22052952 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 22052952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32184600).

22052952 is an abundant number, since it is smaller than the sum of its proper divisors (42316248).

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

22052952 is a wasteful number, since it uses less digits than its factorization.

22052952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 22052952 is about 4696.0570694999. The cubic root of 22052952 is about 280.4285614064.

Adding to 22052952 its reverse (25925022), we get a palindrome (47977974).

The spelling of 22052952 in words is "twenty-two million, fifty-two thousand, nine hundred fifty-two".