22352552 has 16 divisors (see below), whose sum is σ = 44376660. Its totient is φ = 10518784.

The previous prime is 22352543. The next prime is 22352587. The reversal of 22352552 is 25525322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22146436 + 206116 = 4706^2 + 454^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82043 + ... + 82314.

Almost surely, 2^22352552 is an apocalyptic number.

It is an amenable number.

22352552 is a deficient number, since it is larger than the sum of its proper divisors (22024108).

22352552 is a wasteful number, since it uses less digits than its factorization.

22352552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164380 (or 164376 counting only the distinct ones).

The product of its digits is 6000, while the sum is 26.

The square root of 22352552 is about 4727.8485593344. The cubic root of 22352552 is about 281.6927727321.

Adding to 22352552 its reverse (25525322), we get a palindrome (47877874).

The spelling of 22352552 in words is "twenty-two million, three hundred fifty-two thousand, five hundred fifty-two".