22523249 has 8 divisors (see below), whose sum is σ = 27255168. Its totient is φ = 18169920.

The previous prime is 22523243. The next prime is 22523257. The reversal of 22523249 is 94232522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22523249 - 2¹² = 22519153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22523243) 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, 94517 + ... + 94754.

It is an arithmetic number, because the mean of its divisors is an integer number (3406896).

Almost surely, 2^22523249 is an apocalyptic number.

It is an amenable number.

22523249 is a deficient number, since it is larger than the sum of its proper divisors (4731919).

22523249 is a wasteful number, since it uses less digits than its factorization.

22523249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189295.

The product of its digits is 8640, while the sum is 29.

The square root of 22523249 is about 4745.8665172969. The cubic root of 22523249 is about 282.4080113998.

The spelling of 22523249 in words is "twenty-two million, five hundred twenty-three thousand, two hundred forty-nine".