228142294 has 4 divisors (see below), whose sum is σ = 342213444. Its totient is φ = 114071146.

The previous prime is 228142279. The next prime is 228142319. The reversal of 228142294 is 492241822.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57035572 + ... + 57035575.

It is an arithmetic number, because the mean of its divisors is an integer number (85553361).

Almost surely, 2^228142294 is an apocalyptic number.

228142294 is a deficient number, since it is larger than the sum of its proper divisors (114071150).

228142294 is a wasteful number, since it uses less digits than its factorization.

228142294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114071149.

The product of its digits is 18432, while the sum is 34.

The square root of 228142294 is about 15104.3799607928. The cubic root of 228142294 is about 611.0385372354.

The spelling of 228142294 in words is "two hundred twenty-eight million, one hundred forty-two thousand, two hundred ninety-four".