22340232 has 64 divisors (see below), whose sum is σ = 63144000. Its totient is φ = 7316352.

The previous prime is 22340161. The next prime is 22340249. The reversal of 22340232 is 23204322.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11868 + ... + 13620.

It is an arithmetic number, because the mean of its divisors is an integer number (986625).

Almost surely, 2^22340232 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 22340232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31572000).

22340232 is an abundant number, since it is smaller than the sum of its proper divisors (40803768).

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

22340232 is a wasteful number, since it uses less digits than its factorization.

22340232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827 (or 1817 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 22340232 is about 4726.5454615395. The cubic root of 22340232 is about 281.6410099214.

Adding to 22340232 its reverse (23204322), we get a palindrome (45544554).

The spelling of 22340232 in words is "twenty-two million, three hundred forty thousand, two hundred thirty-two".