228544242 has 8 divisors (see below), whose sum is σ = 457088496. Its totient is φ = 76181412.

The previous prime is 228544237. The next prime is 228544289. The reversal of 228544242 is 242445822.

It is a sphenic number, since it is the product of 3 distinct primes.

228544242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19045348 + ... + 19045359.

It is an arithmetic number, because the mean of its divisors is an integer number (57136062).

Almost surely, 2^228544242 is an apocalyptic number.

228544242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228544242 is a wasteful number, since it uses less digits than its factorization.

228544242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38090712.

The product of its digits is 40960, while the sum is 33.

The square root of 228544242 is about 15117.6797822946. The cubic root of 228544242 is about 611.3971754287.

The spelling of 228544242 in words is "two hundred twenty-eight million, five hundred forty-four thousand, two hundred forty-two".