229994497 has 2 divisors, whose sum is σ = 229994498. Its totient is φ = 229994496.

The previous prime is 229994491. The next prime is 229994509. The reversal of 229994497 is 794499922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203461696 + 26532801 = 14264^2 + 5151^2 .

It is a cyclic number.

It is not a de Polignac number, because 229994497 - 2¹⁵ = 229961729 is a prime.

It is not a weakly prime, because it can be changed into another prime (229994491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114997248 + 114997249.

It is an arithmetic number, because the mean of its divisors is an integer number (114997249).

Almost surely, 2^229994497 is an apocalyptic number.

It is an amenable number.

229994497 is a deficient number, since it is larger than the sum of its proper divisors (1).

229994497 is an equidigital number, since it uses as much as digits as its factorization.

229994497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 55.

The square root of 229994497 is about 15165.5694584806. The cubic root of 229994497 is about 612.6876810387.

The spelling of 229994497 in words is "two hundred twenty-nine million, nine hundred ninety-four thousand, four hundred ninety-seven".