2227129 has 2 divisors, whose sum is σ = 2227130. Its totient is φ = 2227128.

The previous prime is 2227109. The next prime is 2227163. The reversal of 2227129 is 9217222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2205225 + 21904 = 1485^2 + 148^2 .

It is a cyclic number.

It is not a de Polignac number, because 2227129 - 2⁹ = 2226617 is a prime.

It is not a weakly prime, because it can be changed into another prime (2227109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113564 + 1113565.

It is an arithmetic number, because the mean of its divisors is an integer number (1113565).

2^2227129 is an apocalyptic number.

It is an amenable number.

2227129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2227129 is an equidigital number, since it uses as much as digits as its factorization.

2227129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 2227129 is about 1492.3568608078. The cubic root of 2227129 is about 130.5915643611.

The spelling of 2227129 in words is "two million, two hundred twenty-seven thousand, one hundred twenty-nine".