22340552 has 32 divisors (see below), whose sum is σ = 45533880. Its totient is φ = 10214400.

The previous prime is 22340543. The next prime is 22340587. The reversal of 22340552 is 25504322.

It can be written as a sum of positive squares in 4 ways, for example, as 3556996 + 18783556 = 1886^2 + 4334^2 .

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, 10802 + ... + 12702.

Almost surely, 2^22340552 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 22340552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22766940).

22340552 is an abundant number, since it is smaller than the sum of its proper divisors (23193328).

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

22340552 is a wasteful number, since it uses less digits than its factorization.

22340552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033 (or 2029 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 22340552 is about 4726.5793127800. The cubic root of 22340552 is about 281.6423546507.

Adding to 22340552 its reverse (25504322), we get a palindrome (47844874).

The spelling of 22340552 in words is "twenty-two million, three hundred forty thousand, five hundred fifty-two".