22452297 has 32 divisors (see below), whose sum is σ = 35562240. Its totient is φ = 12334080.

The previous prime is 22452289. The next prime is 22452361. The reversal of 22452297 is 79225422.

It is not a de Polignac number, because 22452297 - 2³ = 22452289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22452097) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 76483 + ... + 76775.

It is an arithmetic number, because the mean of its divisors is an integer number (1111320).

Almost surely, 2^22452297 is an apocalyptic number.

It is an amenable number.

22452297 is a deficient number, since it is larger than the sum of its proper divisors (13109943).

22452297 is a wasteful number, since it uses less digits than its factorization.

22452297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433.

The product of its digits is 20160, while the sum is 33.

The square root of 22452297 is about 4738.3854845295. The cubic root of 22452297 is about 282.1111553153. Note that the first 4 decimals are identical.

The spelling of 22452297 in words is "twenty-two million, four hundred fifty-two thousand, two hundred ninety-seven".