22352412 has 48 divisors (see below), whose sum is σ = 54996480. Its totient is φ = 7051968.

The previous prime is 22352387. The next prime is 22352419. The reversal of 22352412 is 21425322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22352419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29713 + ... + 30455.

It is an arithmetic number, because the mean of its divisors is an integer number (1145760).

Almost surely, 2^22352412 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 22352412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27498240).

22352412 is an abundant number, since it is smaller than the sum of its proper divisors (32644068).

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

22352412 is a wasteful number, since it uses less digits than its factorization.

22352412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 880 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 22352412 is about 4727.8337534224. The cubic root of 22352412 is about 281.6921846252.

Adding to 22352412 its reverse (21425322), we get a palindrome (43777734).

The spelling of 22352412 in words is "twenty-two million, three hundred fifty-two thousand, four hundred twelve".