228122434 has 4 divisors (see below), whose sum is σ = 342183654. Its totient is φ = 114061216.

The previous prime is 228122431. The next prime is 228122449. The reversal of 228122434 is 434221822.

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., 198387225 + 29735209 = 14085^2 + 5453^2 .

It is not an unprimeable number, because it can be changed into a prime (228122431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57030607 + ... + 57030610.

Almost surely, 2^228122434 is an apocalyptic number.

228122434 is a deficient number, since it is larger than the sum of its proper divisors (114061220).

228122434 is a wasteful number, since it uses less digits than its factorization.

228122434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114061219.

The product of its digits is 6144, while the sum is 28.

The square root of 228122434 is about 15103.7225212859. The cubic root of 228122434 is about 611.0208062289.

The spelling of 228122434 in words is "two hundred twenty-eight million, one hundred twenty-two thousand, four hundred thirty-four".