22269952 has 26 divisors (see below), whose sum is σ = 44542658. Its totient is φ = 11132928.

The previous prime is 22269943. The next prime is 22269953. The reversal of 22269952 is 25996222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19501056 + 2768896 = 4416^2 + 1664^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22269953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378 + ... + 6814.

Almost surely, 2^22269952 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 22269952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22271329).

22269952 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22269952 is an frugal number, since it uses more digits than its factorization.

22269952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5461 (or 5439 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 22269952 is about 4719.1049998914. The cubic root of 22269952 is about 281.3453620986.

The spelling of 22269952 in words is "twenty-two million, two hundred sixty-nine thousand, nine hundred fifty-two".