228230782 has 12 divisors (see below), whose sum is σ = 370706760. Its totient is φ = 105337128.

The previous prime is 228230767. The next prime is 228230791. The reversal of 228230782 is 287032822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 337282 + ... + 337957.

It is an arithmetic number, because the mean of its divisors is an integer number (30892230).

Almost surely, 2^228230782 is an apocalyptic number.

228230782 is a deficient number, since it is larger than the sum of its proper divisors (142475978).

228230782 is a wasteful number, since it uses less digits than its factorization.

228230782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675267 (or 675254 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 228230782 is about 15107.3088933801. The cubic root of 228230782 is about 611.1175268111.

The spelling of 228230782 in words is "two hundred twenty-eight million, two hundred thirty thousand, seven hundred eighty-two".