229037213 has 4 divisors (see below), whose sum is σ = 229076160. Its totient is φ = 228998268.

The previous prime is 229037201. The next prime is 229037239. The reversal of 229037213 is 312730922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 229037213 - 2¹² = 229033117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229037113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8645 + ... + 23082.

It is an arithmetic number, because the mean of its divisors is an integer number (57269040).

Almost surely, 2^229037213 is an apocalyptic number.

It is an amenable number.

229037213 is a deficient number, since it is larger than the sum of its proper divisors (38947).

229037213 is an equidigital number, since it uses as much as digits as its factorization.

229037213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38946.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 229037213 is about 15133.9754526033. The cubic root of 229037213 is about 611.8364552604.

The spelling of 229037213 in words is "two hundred twenty-nine million, thirty-seven thousand, two hundred thirteen".