22135372 has 24 divisors (see below), whose sum is σ = 44513280. Its totient is φ = 9434640.

The previous prime is 22135357. The next prime is 22135387. The reversal of 22135372 is 27353122.

It is an interprime number because it is at equal distance from previous prime (22135357) and next prime (22135387).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3279 + ... + 7417.

It is an arithmetic number, because the mean of its divisors is an integer number (1854720).

Almost surely, 2^22135372 is an apocalyptic number.

It is an amenable number.

22135372 is an abundant number, since it is smaller than the sum of its proper divisors (22377908).

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

22135372 is a wasteful number, since it uses less digits than its factorization.

22135372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341 (or 4339 counting only the distinct ones).

The product of its digits is 2520, while the sum is 25.

The square root of 22135372 is about 4704.8243325336. The cubic root of 22135372 is about 280.7774820080. Note that the first 3 decimals are identical.

Adding to 22135372 its reverse (27353122), we get a palindrome (49488494).

The spelling of 22135372 in words is "twenty-two million, one hundred thirty-five thousand, three hundred seventy-two".