228505742 has 8 divisors (see below), whose sum is σ = 360798600. Its totient is φ = 108239544.

The previous prime is 228505699. The next prime is 228505777. The reversal of 228505742 is 247505822.

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

It is a congruent 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, 3006617 + ... + 3006692.

It is an arithmetic number, because the mean of its divisors is an integer number (45099825).

Almost surely, 2^228505742 is an apocalyptic number.

228505742 is a deficient number, since it is larger than the sum of its proper divisors (132292858).

228505742 is a wasteful number, since it uses less digits than its factorization.

228505742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6013330.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 228505742 is about 15116.4063851168. The cubic root of 228505742 is about 611.3628420134.

The spelling of 228505742 in words is "two hundred twenty-eight million, five hundred five thousand, seven hundred forty-two".