2139227 has 2 divisors, whose sum is σ = 2139228. Its totient is φ = 2139226.

The previous prime is 2139211. The next prime is 2139233. The reversal of 2139227 is 7229312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2139227 - 2⁴ = 2139211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2139196 and 2139205.

It is not a weakly prime, because it can be changed into another prime (2139427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069613 + 1069614.

It is an arithmetic number, because the mean of its divisors is an integer number (1069614).

2^2139227 is an apocalyptic number.

2139227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139227 is an equidigital number, since it uses as much as digits as its factorization.

2139227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

The square root of 2139227 is about 1462.6096540089. The cubic root of 2139227 is about 128.8503562920.

The spelling of 2139227 in words is "two million, one hundred thirty-nine thousand, two hundred twenty-seven".