228694774 has 16 divisors (see below), whose sum is σ = 427689216. Its totient is φ = 89101800.

The previous prime is 228694759. The next prime is 228694777. The reversal of 228694774 is 477496822.

It is a happy number.

It is a super-2 number, since 2×228694774² = 104602599309822152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228694777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742362 + ... + 742669.

It is an arithmetic number, because the mean of its divisors is an integer number (26730576).

Almost surely, 2^228694774 is an apocalyptic number.

228694774 is a deficient number, since it is larger than the sum of its proper divisors (198994442).

228694774 is a wasteful number, since it uses less digits than its factorization.

228694774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485051.

The product of its digits is 1354752, while the sum is 49.

The square root of 228694774 is about 15122.6576368045. The cubic root of 228694774 is about 611.5313794086.

The spelling of 228694774 in words is "two hundred twenty-eight million, six hundred ninety-four thousand, seven hundred seventy-four".