229778235 has 16 divisors (see below), whose sum is σ = 408494880. Its totient is φ = 122548320.

The previous prime is 229778221. The next prime is 229778243. The reversal of 229778235 is 532877922.

It is not a de Polignac number, because 229778235 - 2⁵ = 229778203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 850896 + ... + 851165.

It is an arithmetic number, because the mean of its divisors is an integer number (25530930).

Almost surely, 2^229778235 is an apocalyptic number.

229778235 is a deficient number, since it is larger than the sum of its proper divisors (178716645).

229778235 is a wasteful number, since it uses less digits than its factorization.

229778235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702075 (or 1702069 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 229778235 is about 15158.4377493197. The cubic root of 229778235 is about 612.4955856964.

The spelling of 229778235 in words is "two hundred twenty-nine million, seven hundred seventy-eight thousand, two hundred thirty-five".