22452232 has 32 divisors (see below), whose sum is σ = 47926080. Its totient is φ = 9760960.

The previous prime is 22452197. The next prime is 22452233. The reversal of 22452232 is 23225422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22452233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3523 + ... + 7570.

It is an arithmetic number, because the mean of its divisors is an integer number (1497690).

Almost surely, 2^22452232 is an apocalyptic number.

22452232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22452232 is an abundant number, since it is smaller than the sum of its proper divisors (25473848).

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

22452232 is a wasteful number, since it uses less digits than its factorization.

22452232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11133 (or 11129 counting only the distinct ones).

The product of its digits is 1920, while the sum is 22.

The square root of 22452232 is about 4738.3786256482. The cubic root of 22452232 is about 282.1108830752.

Adding to 22452232 its reverse (23225422), we get a palindrome (45677654).

It can be divided in two parts, 22 and 452232, that added together give a palindrome (452254).

The spelling of 22452232 in words is "twenty-two million, four hundred fifty-two thousand, two hundred thirty-two".