2981227 has 4 divisors (see below), whose sum is σ = 2988576. Its totient is φ = 2973880.

The previous prime is 2981221. The next prime is 2981243. The reversal of 2981227 is 7221892.

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 2981227 - 2¹⁹ = 2456939 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2981221) 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, 3028 + ... + 3889.

It is an arithmetic number, because the mean of its divisors is an integer number (747144).

2^2981227 is an apocalyptic number.

2981227 is a deficient number, since it is larger than the sum of its proper divisors (7349).

2981227 is an equidigital number, since it uses as much as digits as its factorization.

2981227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7348.

The product of its digits is 4032, while the sum is 31.

The square root of 2981227 is about 1726.6230045960. The cubic root of 2981227 is about 143.9234900916.

The spelling of 2981227 in words is "two million, nine hundred eighty-one thousand, two hundred twenty-seven".