712228427 has 2 divisors, whose sum is σ = 712228428. Its totient is φ = 712228426.

The previous prime is 712228423. The next prime is 712228457. The reversal of 712228427 is 724822217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 712228427 - 2² = 712228423 is a prime.

It is not a weakly prime, because it can be changed into another prime (712228421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356114213 + 356114214.

It is an arithmetic number, because the mean of its divisors is an integer number (356114214).

Almost surely, 2^712228427 is an apocalyptic number.

712228427 is a deficient number, since it is larger than the sum of its proper divisors (1).

712228427 is an equidigital number, since it uses as much as digits as its factorization.

712228427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25088, while the sum is 35.

The square root of 712228427 is about 26687.6081168770. The cubic root of 712228427 is about 893.0445021957.

The spelling of 712228427 in words is "seven hundred twelve million, two hundred twenty-eight thousand, four hundred twenty-seven".