234778226 has 4 divisors (see below), whose sum is σ = 352167342. Its totient is φ = 117389112.

The previous prime is 234778213. The next prime is 234778241. The reversal of 234778226 is 622877432.

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., 198838201 + 35940025 = 14101^2 + 5995^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58694555 + ... + 58694558.

Almost surely, 2^234778226 is an apocalyptic number.

234778226 is a deficient number, since it is larger than the sum of its proper divisors (117389116).

234778226 is a wasteful number, since it uses less digits than its factorization.

234778226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117389115.

The product of its digits is 225792, while the sum is 41.

The square root of 234778226 is about 15322.4745390554. The cubic root of 234778226 is about 616.9063949685.

The spelling of 234778226 in words is "two hundred thirty-four million, seven hundred seventy-eight thousand, two hundred twenty-six".