2491227 has 12 divisors (see below), whose sum is σ = 3627624. Its totient is φ = 1647360.

The previous prime is 2491211. The next prime is 2491243. The reversal of 2491227 is 7221942.

It is an interprime number because it is at equal distance from previous prime (2491211) and next prime (2491243).

It is not a de Polignac number, because 2491227 - 2⁴ = 2491211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2491227.

It is not an unprimeable number, because it can be changed into a prime (2491207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123 + ... + 2235.

It is an arithmetic number, because the mean of its divisors is an integer number (302302).

2^2491227 is an apocalyptic number.

2491227 is a deficient number, since it is larger than the sum of its proper divisors (1136397).

2491227 is a wasteful number, since it uses less digits than its factorization.

2491227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250 (or 2247 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2491227 is about 1578.3621257493. The cubic root of 2491227 is about 135.5619375249.

The spelling of 2491227 in words is "two million, four hundred ninety-one thousand, two hundred twenty-seven".