228142374 has 32 divisors (see below), whose sum is σ = 465454080. Its totient is φ = 74532672.

The previous prime is 228142337. The next prime is 228142403. The reversal of 228142374 is 473241822.

It is a happy number.

228142374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71587 + ... + 74705.

It is an arithmetic number, because the mean of its divisors is an integer number (14545440).

Almost surely, 2^228142374 is an apocalyptic number.

228142374 is an abundant number, since it is smaller than the sum of its proper divisors (237311706).

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

228142374 is a wasteful number, since it uses less digits than its factorization.

228142374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364.

The product of its digits is 21504, while the sum is 33.

The square root of 228142374 is about 15104.3826090311. The cubic root of 228142374 is about 611.0386086573.

The spelling of 228142374 in words is "two hundred twenty-eight million, one hundred forty-two thousand, three hundred seventy-four".