228534994 has 4 divisors (see below), whose sum is σ = 342802494. Its totient is φ = 114267496.

The previous prime is 228534989. The next prime is 228535031. The reversal of 228534994 is 499435822.

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., 125776225 + 102758769 = 11215^2 + 10137^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57133747 + ... + 57133750.

Almost surely, 2^228534994 is an apocalyptic number.

228534994 is a deficient number, since it is larger than the sum of its proper divisors (114267500).

228534994 is a wasteful number, since it uses less digits than its factorization.

228534994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114267499.

The product of its digits is 622080, while the sum is 46.

The square root of 228534994 is about 15117.3739121582. The cubic root of 228534994 is about 611.3889286267.

The spelling of 228534994 in words is "two hundred twenty-eight million, five hundred thirty-four thousand, nine hundred ninety-four".