712220227 has 2 divisors, whose sum is σ = 712220228. Its totient is φ = 712220226.

The previous prime is 712220203. The next prime is 712220233. The reversal of 712220227 is 722022217.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-712220227 is a prime.

It is not a weakly prime, because it can be changed into another prime (712220237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356110113 + 356110114.

It is an arithmetic number, because the mean of its divisors is an integer number (356110114).

Almost surely, 2^712220227 is an apocalyptic number.

712220227 is a deficient number, since it is larger than the sum of its proper divisors (1).

712220227 is an equidigital number, since it uses as much as digits as its factorization.

712220227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 712220227 is about 26687.4544870806. The cubic root of 712220227 is about 893.0410749277.

The spelling of 712220227 in words is "seven hundred twelve million, two hundred twenty thousand, two hundred twenty-seven".