214207229 has 4 divisors (see below), whose sum is σ = 217837920. Its totient is φ = 210576540.

The previous prime is 214207223. The next prime is 214207237. The reversal of 214207229 is 922702412.

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 214207229 - 2²⁰ = 213158653 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 (214207223) 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, 1815257 + ... + 1815374.

It is an arithmetic number, because the mean of its divisors is an integer number (54459480).

Almost surely, 2^214207229 is an apocalyptic number.

It is an amenable number.

214207229 is a deficient number, since it is larger than the sum of its proper divisors (3630691).

214207229 is an equidigital number, since it uses as much as digits as its factorization.

214207229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630690.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 214207229 is about 14635.8200658521. The cubic root of 214207229 is about 598.3354130396.

The spelling of 214207229 in words is "two hundred fourteen million, two hundred seven thousand, two hundred twenty-nine".