228210294 has 16 divisors (see below), whose sum is σ = 491530032. Its totient is φ = 70218528.

The previous prime is 228210287. The next prime is 228210299. The reversal of 228210294 is 492012822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228210299) 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, 1462809 + ... + 1462964.

It is an arithmetic number, because the mean of its divisors is an integer number (30720627).

Almost surely, 2^228210294 is an apocalyptic number.

228210294 is an abundant number, since it is smaller than the sum of its proper divisors (263319738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228210294 is a wasteful number, since it uses less digits than its factorization.

228210294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925791.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 228210294 is about 15106.6307957797. The cubic root of 228210294 is about 611.0992398380.

The spelling of 228210294 in words is "two hundred twenty-eight million, two hundred ten thousand, two hundred ninety-four".