22525249 has 8 divisors (see below), whose sum is σ = 23146112. Its totient is φ = 21908880.

The previous prime is 22525231. The next prime is 22525259. The reversal of 22525249 is 94252522.

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 22525249 - 2¹³ = 22517057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22525249.

It is not an unprimeable number, because it can be changed into a prime (22525219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10687 + ... + 12619.

It is an arithmetic number, because the mean of its divisors is an integer number (2893264).

Almost surely, 2^22525249 is an apocalyptic number.

It is an amenable number.

22525249 is a deficient number, since it is larger than the sum of its proper divisors (620863).

22525249 is a wasteful number, since it uses less digits than its factorization.

22525249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247.

The product of its digits is 14400, while the sum is 31.

The square root of 22525249 is about 4746.0772222963. The cubic root of 22525249 is about 282.4163701599.

The spelling of 22525249 in words is "twenty-two million, five hundred twenty-five thousand, two hundred forty-nine".