229228997 has 2 divisors, whose sum is σ = 229228998. Its totient is φ = 229228996.

The previous prime is 229228981. The next prime is 229229029. The reversal of 229228997 is 799822922.

229228997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198415396 + 30813601 = 14086^2 + 5551^2 .

It is a cyclic number.

It is not a de Polignac number, because 229228997 - 2⁴ = 229228981 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229228957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114614498 + 114614499.

It is an arithmetic number, because the mean of its divisors is an integer number (114614499).

Almost surely, 2^229228997 is an apocalyptic number.

It is an amenable number.

229228997 is a deficient number, since it is larger than the sum of its proper divisors (1).

229228997 is an equidigital number, since it uses as much as digits as its factorization.

229228997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 229228997 is about 15140.3103336755. The cubic root of 229228997 is about 612.0071810925.

The spelling of 229228997 in words is "two hundred twenty-nine million, two hundred twenty-eight thousand, nine hundred ninety-seven".