11225915 has 4 divisors (see below), whose sum is σ = 13471104. Its totient is φ = 8980728.

The previous prime is 11225897. The next prime is 11225947. The reversal of 11225915 is 51952211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11225915 - 2¹⁰ = 11224891 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122587 + ... + 1122596.

It is an arithmetic number, because the mean of its divisors is an integer number (3367776).

Almost surely, 2^11225915 is an apocalyptic number.

11225915 is a deficient number, since it is larger than the sum of its proper divisors (2245189).

11225915 is an equidigital number, since it uses as much as digits as its factorization.

11225915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245188.

The product of its digits is 900, while the sum is 26.

The square root of 11225915 is about 3350.5096627230. The cubic root of 11225915 is about 223.9102199198.

The spelling of 11225915 in words is "eleven million, two hundred twenty-five thousand, nine hundred fifteen".