22132264 has 128 divisors (see below), whose sum is σ = 57139200. Its totient is φ = 7776000.

The previous prime is 22132261. The next prime is 22132267. The reversal of 22132264 is 46223122.

It is an interprime number because it is at equal distance from previous prime (22132261) and next prime (22132267).

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

It is not an unprimeable number, because it can be changed into a prime (22132261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 362794 + ... + 362854.

It is an arithmetic number, because the mean of its divisors is an integer number (446400).

Almost surely, 2^22132264 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 22132264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28569600).

22132264 is an abundant number, since it is smaller than the sum of its proper divisors (35006936).

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

22132264 is a wasteful number, since it uses less digits than its factorization.

22132264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 131 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 22132264 is about 4704.4940216776. The cubic root of 22132264 is about 280.7643401874.

Adding to 22132264 its reverse (46223122), we get a palindrome (68355386).

The spelling of 22132264 in words is "twenty-two million, one hundred thirty-two thousand, two hundred sixty-four".