229278274 has 4 divisors (see below), whose sum is σ = 343917414. Its totient is φ = 114639136.

The previous prime is 229278239. The next prime is 229278277. The reversal of 229278274 is 472872922.

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

It can be written as a sum of positive squares in only one way, i.e., 228161025 + 1117249 = 15105^2 + 1057^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 229278274.

It is not an unprimeable number, because it can be changed into a prime (229278277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57319567 + ... + 57319570.

Almost surely, 2^229278274 is an apocalyptic number.

229278274 is a deficient number, since it is larger than the sum of its proper divisors (114639140).

229278274 is a wasteful number, since it uses less digits than its factorization.

229278274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114639139.

The product of its digits is 225792, while the sum is 43.

The square root of 229278274 is about 15141.9375906784. The cubic root of 229278274 is about 612.0510320269.

The spelling of 229278274 in words is "two hundred twenty-nine million, two hundred seventy-eight thousand, two hundred seventy-four".