25422155 has 8 divisors (see below), whose sum is σ = 33279984. Its totient is φ = 18488800.

The previous prime is 25422149. The next prime is 25422161. The reversal of 25422155 is 55122452.

It is an interprime number because it is at equal distance from previous prime (25422149) and next prime (25422161).

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

It is not a de Polignac number, because 25422155 - 2⁸ = 25421899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 231056 + ... + 231165.

It is an arithmetic number, because the mean of its divisors is an integer number (4159998).

Almost surely, 2^25422155 is an apocalyptic number.

25422155 is a deficient number, since it is larger than the sum of its proper divisors (7857829).

25422155 is a wasteful number, since it uses less digits than its factorization.

25422155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462237.

The product of its digits is 4000, while the sum is 26.

The square root of 25422155 is about 5042.0387741468. The cubic root of 25422155 is about 294.0384473143.

The spelling of 25422155 in words is "twenty-five million, four hundred twenty-two thousand, one hundred fifty-five".