229718855 has 4 divisors (see below), whose sum is σ = 275662632. Its totient is φ = 183775080.

The previous prime is 229718843. The next prime is 229718861. The reversal of 229718855 is 558817922.

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

It is not a de Polignac number, because 229718855 - 2¹⁴ = 229702471 is a prime.

It is a super-2 number, since 2×229718855² = 105541504685022050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22971881 + ... + 22971890.

It is an arithmetic number, because the mean of its divisors is an integer number (68915658).

Almost surely, 2^229718855 is an apocalyptic number.

229718855 is a deficient number, since it is larger than the sum of its proper divisors (45943777).

229718855 is an equidigital number, since it uses as much as digits as its factorization.

229718855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45943776.

The product of its digits is 403200, while the sum is 47.

The square root of 229718855 is about 15156.4789776518. The cubic root of 229718855 is about 612.4428201515.

The spelling of 229718855 in words is "two hundred twenty-nine million, seven hundred eighteen thousand, eight hundred fifty-five".