25222255 has 8 divisors (see below), whose sum is σ = 30420000. Its totient is φ = 20075616.

The previous prime is 25222229. The next prime is 25222259. The reversal of 25222255 is 55222252.

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 25222255 - 2²³ = 16833647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25222259) 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, 11680 + ... + 13669.

It is an arithmetic number, because the mean of its divisors is an integer number (3802500).

Almost surely, 2^25222255 is an apocalyptic number.

25222255 is a deficient number, since it is larger than the sum of its proper divisors (5197745).

25222255 is a wasteful number, since it uses less digits than its factorization.

25222255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25553.

The product of its digits is 4000, while the sum is 25.

The square root of 25222255 is about 5022.1763210783. The cubic root of 25222255 is about 293.2657220493.

The spelling of 25222255 in words is "twenty-five million, two hundred twenty-two thousand, two hundred fifty-five".