229220233 has 4 divisors (see below), whose sum is σ = 250058448. Its totient is φ = 208382020.

The previous prime is 229220221. The next prime is 229220239. The reversal of 229220233 is 332022922.

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 not a de Polignac number, because 229220233 - 2¹³ = 229212041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229220198 and 229220207.

It is not an unprimeable number, because it can be changed into a prime (229220239) 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, 10419091 + ... + 10419112.

It is an arithmetic number, because the mean of its divisors is an integer number (62514612).

Almost surely, 2^229220233 is an apocalyptic number.

It is an amenable number.

229220233 is a deficient number, since it is larger than the sum of its proper divisors (20838215).

229220233 is a wasteful number, since it uses less digits than its factorization.

229220233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20838214.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 229220233 is about 15140.0209048733. The cubic root of 229220233 is about 611.9993814695. Note that the first 3 decimals are identical.

The spelling of 229220233 in words is "two hundred twenty-nine million, two hundred twenty thousand, two hundred thirty-three".