228140698 has 4 divisors (see below), whose sum is σ = 342211050. Its totient is φ = 114070348.

The previous prime is 228140683. The next prime is 228140701. The reversal of 228140698 is 896041822.

228140698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 208311489 + 19829209 = 14433^2 + 4453^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 228140698.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57035173 + ... + 57035176.

Almost surely, 2^228140698 is an apocalyptic number.

228140698 is a deficient number, since it is larger than the sum of its proper divisors (114070352).

228140698 is a wasteful number, since it uses less digits than its factorization.

228140698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114070351.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 228140698 is about 15104.3271283431. The cubic root of 228140698 is about 611.0371123647.

The spelling of 228140698 in words is "two hundred twenty-eight million, one hundred forty thousand, six hundred ninety-eight".