229444540931 has 2 divisors, whose sum is σ = 229444540932. Its totient is φ = 229444540930.

The previous prime is 229444540907. The next prime is 229444540973. The reversal of 229444540931 is 139045444922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229444540931 - 2²² = 229440346627 is a prime.

It is a super-2 number, since 2×229444540931² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (229444540901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114722270465 + 114722270466.

It is an arithmetic number, because the mean of its divisors is an integer number (114722270466).

Almost surely, 2^229444540931 is an apocalyptic number.

229444540931 is a deficient number, since it is larger than the sum of its proper divisors (1).

229444540931 is an equidigital number, since it uses as much as digits as its factorization.

229444540931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 229444540931 in words is "two hundred twenty-nine billion, four hundred forty-four million, five hundred forty thousand, nine hundred thirty-one".