26225815 has 32 divisors (see below), whose sum is σ = 41554944. Its totient is φ = 15383040.

The previous prime is 26225809. The next prime is 26225821. The reversal of 26225815 is 51852262.

It is an interprime number because it is at equal distance from previous prime (26225809) and next prime (26225821).

It is not a de Polignac number, because 26225815 - 2⁷ = 26225687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4542 + ... + 8548.

It is an arithmetic number, because the mean of its divisors is an integer number (1298592).

Almost surely, 2^26225815 is an apocalyptic number.

26225815 is a deficient number, since it is larger than the sum of its proper divisors (15329129).

26225815 is a wasteful number, since it uses less digits than its factorization.

26225815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047.

The product of its digits is 9600, while the sum is 31.

The square root of 26225815 is about 5121.1146247668. The cubic root of 26225815 is about 297.1047973693.

The spelling of 26225815 in words is "twenty-six million, two hundred twenty-five thousand, eight hundred fifteen".