229941731 has 2 divisors, whose sum is σ = 229941732. Its totient is φ = 229941730.

The previous prime is 229941727. The next prime is 229941763. The reversal of 229941731 is 137149922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229941731 - 2² = 229941727 is a prime.

It is a super-2 number, since 2×229941731² = 105746399310552722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (229941331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114970865 + 114970866.

It is an arithmetic number, because the mean of its divisors is an integer number (114970866).

Almost surely, 2^229941731 is an apocalyptic number.

229941731 is a deficient number, since it is larger than the sum of its proper divisors (1).

229941731 is an equidigital number, since it uses as much as digits as its factorization.

229941731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 229941731 is about 15163.8296943747. The cubic root of 229941731 is about 612.6408225975.

The spelling of 229941731 in words is "two hundred twenty-nine million, nine hundred forty-one thousand, seven hundred thirty-one".