22525243 has 8 divisors (see below), whose sum is σ = 24509408. Its totient is φ = 20577024.

The previous prime is 22525231. The next prime is 22525259. The reversal of 22525243 is 34252522.

It is a happy number.

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

It is not a de Polignac number, because 22525243 - 2⁹ = 22524731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22525273) 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, 7671 + ... + 10192.

It is an arithmetic number, because the mean of its divisors is an integer number (3063676).

Almost surely, 2^22525243 is an apocalyptic number.

22525243 is a deficient number, since it is larger than the sum of its proper divisors (1984165).

22525243 is a wasteful number, since it uses less digits than its factorization.

22525243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17973.

The product of its digits is 4800, while the sum is 25.

The square root of 22525243 is about 4746.0765901953. The cubic root of 22525243 is about 282.4163450843.

Adding to 22525243 its reverse (34252522), we get a palindrome (56777765).

The spelling of 22525243 in words is "twenty-two million, five hundred twenty-five thousand, two hundred forty-three".