22452452 has 48 divisors (see below), whose sum is σ = 45722880. Its totient is φ = 9540000.

The previous prime is 22452449. The next prime is 22452473. The reversal of 22452452 is 25425422.

It is a super-2 number, since 2×22452452² = 1008225201624608, which contains 22 as substring.

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, 89327 + ... + 89577.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 2^22452452 is an apocalyptic number.

22452452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22452452 is an abundant number, since it is smaller than the sum of its proper divisors (23270428).

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

22452452 is a wasteful number, since it uses less digits than its factorization.

22452452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 390 counting only the distinct ones).

The product of its digits is 6400, while the sum is 26.

The square root of 22452452 is about 4738.4018402833. The cubic root of 22452452 is about 282.1118045009. Note that the first 3 decimals are identical.

Adding to 22452452 its reverse (25425422), we get a palindrome (47877874).

The spelling of 22452452 in words is "twenty-two million, four hundred fifty-two thousand, four hundred fifty-two".