229904207 has 4 divisors (see below), whose sum is σ = 247589160. Its totient is φ = 212219256.

The previous prime is 229904189. The next prime is 229904231. The reversal of 229904207 is 702409922.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702409922 = 2 ⋅351204961.

It is a cyclic number.

It is not a de Polignac number, because 229904207 - 2²² = 225709903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229904267) 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, 8842457 + ... + 8842482.

It is an arithmetic number, because the mean of its divisors is an integer number (61897290).

Almost surely, 2^229904207 is an apocalyptic number.

229904207 is a deficient number, since it is larger than the sum of its proper divisors (17684953).

229904207 is a wasteful number, since it uses less digits than its factorization.

229904207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17684952.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 229904207 is about 15162.5923575093. The cubic root of 229904207 is about 612.6074953356.

The spelling of 229904207 in words is "two hundred twenty-nine million, nine hundred four thousand, two hundred seven".