2272939 has 2 divisors, whose sum is σ = 2272940. Its totient is φ = 2272938.

The previous prime is 2272931. The next prime is 2272943. The reversal of 2272939 is 9392722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2272939 - 2³ = 2272931 is a prime.

It is equal to p₁₆₇₆₈₆ and since 2272939 and 167686 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2272931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136469 + 1136470.

It is an arithmetic number, because the mean of its divisors is an integer number (1136470).

2^2272939 is an apocalyptic number.

2272939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272939 is an equidigital number, since it uses as much as digits as its factorization.

2272939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 2272939 is about 1507.6269432456. The cubic root of 2272939 is about 131.4808773824.

The spelling of 2272939 in words is "two million, two hundred seventy-two thousand, nine hundred thirty-nine".