228422078 has 4 divisors (see below), whose sum is σ = 342633120. Its totient is φ = 114211038.

The previous prime is 228422071. The next prime is 228422083. The reversal of 228422078 is 870224822.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228422071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57105518 + ... + 57105521.

It is an arithmetic number, because the mean of its divisors is an integer number (85658280).

Almost surely, 2^228422078 is an apocalyptic number.

228422078 is a deficient number, since it is larger than the sum of its proper divisors (114211042).

228422078 is a wasteful number, since it uses less digits than its factorization.

228422078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114211041.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 228422078 is about 15113.6388073819. The cubic root of 228422078 is about 611.2882190825.

The spelling of 228422078 in words is "two hundred twenty-eight million, four hundred twenty-two thousand, seventy-eight".