228285814 has 16 divisors (see below), whose sum is σ = 347176368. Its totient is φ = 112568832.

The previous prime is 228285791. The next prime is 228285823. The reversal of 228285814 is 418582822.

It is a super-2 number, since 2×228285814² = 104228825747285192, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57642 + ... + 61474.

It is an arithmetic number, because the mean of its divisors is an integer number (21698523).

Almost surely, 2^228285814 is an apocalyptic number.

228285814 is a deficient number, since it is larger than the sum of its proper divisors (118890554).

228285814 is a wasteful number, since it uses less digits than its factorization.

228285814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239.

The product of its digits is 81920, while the sum is 40.

The square root of 228285814 is about 15109.1301536521. The cubic root of 228285814 is about 611.1666413035.

The spelling of 228285814 in words is "two hundred twenty-eight million, two hundred eighty-five thousand, eight hundred fourteen".