22205452 has 24 divisors (see below), whose sum is σ = 41187440. Its totient is φ = 10445760.

The previous prime is 22205441. The next prime is 22205453. The reversal of 22205452 is 25450222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22205453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11002 + ... + 12862.

Almost surely, 2^22205452 is an apocalyptic number.

It is an amenable number.

22205452 is a deficient number, since it is larger than the sum of its proper divisors (18981988).

22205452 is a wasteful number, since it uses less digits than its factorization.

22205452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041 (or 2039 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 22205452 is about 4712.2661215173. The cubic root of 22205452 is about 281.0734812031.

Adding to 22205452 its reverse (25450222), we get a palindrome (47655674).

The spelling of 22205452 in words is "twenty-two million, two hundred five thousand, four hundred fifty-two".