2277139 has 2 divisors, whose sum is σ = 2277140. Its totient is φ = 2277138.

The previous prime is 2277127. The next prime is 2277179. The reversal of 2277139 is 9317722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2277139 - 2¹⁵ = 2244371 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2277139.

It is not a weakly prime, because it can be changed into another prime (2277179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1138569 + 1138570.

It is an arithmetic number, because the mean of its divisors is an integer number (1138570).

2^2277139 is an apocalyptic number.

2277139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2277139 is an equidigital number, since it uses as much as digits as its factorization.

2277139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 31.

The square root of 2277139 is about 1509.0192179028. The cubic root of 2277139 is about 131.5618122276.

It can be divided in two parts, 227713 and 9, that added together give a palindrome (227722).

The spelling of 2277139 in words is "two million, two hundred seventy-seven thousand, one hundred thirty-nine".