228442078 has 8 divisors (see below), whose sum is σ = 351020880. Its totient is φ = 111435120.

The previous prime is 228442057. The next prime is 228442079. The reversal of 228442078 is 870244822.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228442079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392858 + ... + 1393021.

It is an arithmetic number, because the mean of its divisors is an integer number (43877610).

Almost surely, 2^228442078 is an apocalyptic number.

228442078 is a deficient number, since it is larger than the sum of its proper divisors (122578802).

228442078 is a wasteful number, since it uses less digits than its factorization.

228442078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785922.

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 228442078 is about 15114.3004469277. The cubic root of 228442078 is about 611.3060594590.

The spelling of 228442078 in words is "two hundred twenty-eight million, four hundred forty-two thousand, seventy-eight".