227225429 has 2 divisors, whose sum is σ = 227225430. Its totient is φ = 227225428.

The previous prime is 227225419. The next prime is 227225431. The reversal of 227225429 is 924522722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196644529 + 30580900 = 14023^2 + 5530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-227225429 is a prime.

Together with 227225431, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227225419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113612714 + 113612715.

It is an arithmetic number, because the mean of its divisors is an integer number (113612715).

Almost surely, 2^227225429 is an apocalyptic number.

It is an amenable number.

227225429 is a deficient number, since it is larger than the sum of its proper divisors (1).

227225429 is an equidigital number, since it uses as much as digits as its factorization.

227225429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 227225429 is about 15073.9984410242. The cubic root of 227225429 is about 610.2188849888.

The spelling of 227225429 in words is "two hundred twenty-seven million, two hundred twenty-five thousand, four hundred twenty-nine".