22553452 has 6 divisors (see below), whose sum is σ = 39468548. Its totient is φ = 11276724.

The previous prime is 22553449. The next prime is 22553483. The reversal of 22553452 is 25435522.

It is a self number, because there is not a number n which added to its sum of digits gives 22553452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819178 + ... + 2819185.

Almost surely, 2^22553452 is an apocalyptic number.

It is an amenable number.

22553452 is a deficient number, since it is larger than the sum of its proper divisors (16915096).

22553452 is a wasteful number, since it uses less digits than its factorization.

22553452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5638367 (or 5638365 counting only the distinct ones).

The product of its digits is 12000, while the sum is 28.

The square root of 22553452 is about 4749.0474834434. The cubic root of 22553452 is about 282.5341885686.

Adding to 22553452 its reverse (25435522), we get a palindrome (47988974).

It can be divided in two parts, 22553 and 452, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 22553452 in words is "twenty-two million, five hundred fifty-three thousand, four hundred fifty-two".