2015227 has 4 divisors (see below), whose sum is σ = 2037960. Its totient is φ = 1992496.

The previous prime is 2015213. The next prime is 2015267. The reversal of 2015227 is 7225102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2015227 is a prime.

It is a super-2 number, since 2×2015227² = 8122279723058, which contains 22 as substring.

It is a Duffinian number.

2015227 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2015267) 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, 11233 + ... + 11410.

It is an arithmetic number, because the mean of its divisors is an integer number (509490).

2^2015227 is an apocalyptic number.

2015227 is a deficient number, since it is larger than the sum of its proper divisors (22733).

2015227 is an equidigital number, since it uses as much as digits as its factorization.

2015227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22732.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2015227 is about 1419.5869117458. The cubic root of 2015227 is about 126.3110439037.

The spelling of 2015227 in words is "two million, fifteen thousand, two hundred twenty-seven".