226129 has 2 divisors, whose sum is σ = 226130. Its totient is φ = 226128.

The previous prime is 226123. The next prime is 226133. The reversal of 226129 is 921622.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176400 + 49729 = 420^2 + 223^2 .

It is a cyclic number.

It is not a de Polignac number, because 226129 - 2⁷ = 226001 is a prime.

It is a super-2 number, since 2×226129² = 102268649282, which contains 22 as substring.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 226129 parts by 672 straight cuts.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (226123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113064 + 113065.

It is an arithmetic number, because the mean of its divisors is an integer number (113065).

2²²⁶¹²⁹ is an apocalyptic number.

It is an amenable number.

226129 is a deficient number, since it is larger than the sum of its proper divisors (1).

226129 is an equidigital number, since it uses as much as digits as its factorization.

226129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 226129 is about 475.5302303745. The cubic root of 226129 is about 60.9235807349.

The spelling of 226129 in words is "two hundred twenty-six thousand, one hundred twenty-nine".