228542346 has 24 divisors (see below), whose sum is σ = 497671200. Its totient is φ = 75796776.

The previous prime is 228542311. The next prime is 228542357. The reversal of 228542346 is 643245822.

228542346 is a `hidden beast` number, since 228 + 5 + 423 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 228542346.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28320 + ... + 35483.

It is an arithmetic number, because the mean of its divisors is an integer number (20736300).

Almost surely, 2^228542346 is an apocalyptic number.

228542346 is an abundant number, since it is smaller than the sum of its proper divisors (269128854).

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

228542346 is a wasteful number, since it uses less digits than its factorization.

228542346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64010 (or 64007 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 228542346 is about 15117.6170741291. The cubic root of 228542346 is about 611.3954847098.

It can be divided in two parts, 22854 and 2346, that added together give a triangular number (25200 = T₂₂₄).

The spelling of 228542346 in words is "two hundred twenty-eight million, five hundred forty-two thousand, three hundred forty-six".