227144431 has 2 divisors, whose sum is σ = 227144432. Its totient is φ = 227144430.

The previous prime is 227144417. The next prime is 227144473. The reversal of 227144431 is 134441722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 227144431 - 2⁵ = 227144399 is a prime.

It is a super-2 number, since 2×227144431² = 103189185068627522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 227144431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227142431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113572215 + 113572216.

It is an arithmetic number, because the mean of its divisors is an integer number (113572216).

Almost surely, 2^227144431 is an apocalyptic number.

227144431 is a deficient number, since it is larger than the sum of its proper divisors (1).

227144431 is an equidigital number, since it uses as much as digits as its factorization.

227144431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 28.

The square root of 227144431 is about 15071.3115222266. The cubic root of 227144431 is about 610.1463690685.

The spelling of 227144431 in words is "two hundred twenty-seven million, one hundred forty-four thousand, four hundred thirty-one".