229243901 has 2 divisors, whose sum is σ = 229243902. Its totient is φ = 229243900.

The previous prime is 229243849. The next prime is 229243909. The reversal of 229243901 is 109342922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200364025 + 28879876 = 14155^2 + 5374^2 .

It is a cyclic number.

It is not a de Polignac number, because 229243901 - 2¹⁸ = 228981757 is a prime.

It is a super-2 number, since 2×229243901² = 105105532291395602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229243909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114621950 + 114621951.

It is an arithmetic number, because the mean of its divisors is an integer number (114621951).

Almost surely, 2^229243901 is an apocalyptic number.

It is an amenable number.

229243901 is a deficient number, since it is larger than the sum of its proper divisors (1).

229243901 is an equidigital number, since it uses as much as digits as its factorization.

229243901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 229243901 is about 15140.8025216631. The cubic root of 229243901 is about 612.0204446230.

The spelling of 229243901 in words is "two hundred twenty-nine million, two hundred forty-three thousand, nine hundred one".