7229407231 has 2 divisors, whose sum is σ = 7229407232. Its totient is φ = 7229407230.

The previous prime is 7229407201. The next prime is 7229407249. The reversal of 7229407231 is 1327049227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7229407231 - 2⁹ = 7229406719 is a prime.

It is a super-2 number, since 2×7229407231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7229407201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3614703615 + 3614703616.

It is an arithmetic number, because the mean of its divisors is an integer number (3614703616).

Almost surely, 2^7229407231 is an apocalyptic number.

7229407231 is a deficient number, since it is larger than the sum of its proper divisors (1).

7229407231 is an equidigital number, since it uses as much as digits as its factorization.

7229407231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 7229407231 is about 85025.9209359122. The cubic root of 7229407231 is about 1933.6041212630.

The spelling of 7229407231 in words is "seven billion, two hundred twenty-nine million, four hundred seven thousand, two hundred thirty-one".