25622249 has 4 divisors (see below), whose sum is σ = 25719936. Its totient is φ = 25524564.

The previous prime is 25622231. The next prime is 25622273. The reversal of 25622249 is 94222652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25622249 - 2²⁴ = 8845033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25622209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48449 + ... + 48974.

It is an arithmetic number, because the mean of its divisors is an integer number (6429984).

Almost surely, 2^25622249 is an apocalyptic number.

It is an amenable number.

25622249 is a deficient number, since it is larger than the sum of its proper divisors (97687).

25622249 is an equidigital number, since it uses as much as digits as its factorization.

25622249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97686.

The product of its digits is 17280, while the sum is 32.

The square root of 25622249 is about 5061.8424511239. The cubic root of 25622249 is about 294.8078764357.

The spelling of 25622249 in words is "twenty-five million, six hundred twenty-two thousand, two hundred forty-nine".