2277491 has 8 divisors (see below), whose sum is σ = 2334720. Its totient is φ = 2221128.

The previous prime is 2277487. The next prime is 2277493. The reversal of 2277491 is 1947722.

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

It is a cyclic number.

It is not a de Polignac number, because 2277491 - 2² = 2277487 is a prime.

It is a Duffinian number.

2277491 is a modest number, since divided by 7491 gives 227 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2277493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9920 + ... + 10146.

It is an arithmetic number, because the mean of its divisors is an integer number (291840).

2^2277491 is an apocalyptic number.

2277491 is a deficient number, since it is larger than the sum of its proper divisors (57229).

2277491 is a wasteful number, since it uses less digits than its factorization.

2277491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433.

The product of its digits is 7056, while the sum is 32.

The square root of 2277491 is about 1509.1358454427. The cubic root of 2277491 is about 131.5685908171.

The spelling of 2277491 in words is "two million, two hundred seventy-seven thousand, four hundred ninety-one".