229214287 has 4 divisors (see below), whose sum is σ = 229249696. Its totient is φ = 229178880.

The previous prime is 229214269. The next prime is 229214329. The reversal of 229214287 is 782412922.

229214287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229214287 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 (229214207) 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, 4914 + ... + 21967.

It is an arithmetic number, because the mean of its divisors is an integer number (57312424).

Almost surely, 2^229214287 is an apocalyptic number.

229214287 is a deficient number, since it is larger than the sum of its proper divisors (35409).

229214287 is an equidigital number, since it uses as much as digits as its factorization.

229214287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35408.

The product of its digits is 32256, while the sum is 37.

The square root of 229214287 is about 15139.8245366319. The cubic root of 229214287 is about 611.9940896449.

The spelling of 229214287 in words is "two hundred twenty-nine million, two hundred fourteen thousand, two hundred eighty-seven".