228644294 has 16 divisors (see below), whose sum is σ = 355151520. Its totient is φ = 110268480.

The previous prime is 228644291. The next prime is 228644329. The reversal of 228644294 is 492446822.

228644294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228644291) 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, 105122 + ... + 107274.

It is an arithmetic number, because the mean of its divisors is an integer number (22196970).

Almost surely, 2^228644294 is an apocalyptic number.

228644294 is a deficient number, since it is larger than the sum of its proper divisors (126507226).

228644294 is a wasteful number, since it uses less digits than its factorization.

228644294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015.

The product of its digits is 221184, while the sum is 41.

The square root of 228644294 is about 15120.9885258868. The cubic root of 228644294 is about 611.4863814767.

The spelling of 228644294 in words is "two hundred twenty-eight million, six hundred forty-four thousand, two hundred ninety-four".