228602278 has 4 divisors (see below), whose sum is σ = 342903420. Its totient is φ = 114301138.

The previous prime is 228602263. The next prime is 228602279. The reversal of 228602278 is 872206822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 872206822 = 2 ⋅436103411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228602279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57150568 + ... + 57150571.

It is an arithmetic number, because the mean of its divisors is an integer number (85725855).

Almost surely, 2^228602278 is an apocalyptic number.

228602278 is a deficient number, since it is larger than the sum of its proper divisors (114301142).

228602278 is a wasteful number, since it uses less digits than its factorization.

228602278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114301141.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 228602278 is about 15119.5991348977. The cubic root of 228602278 is about 611.4489233136.

The spelling of 228602278 in words is "two hundred twenty-eight million, six hundred two thousand, two hundred seventy-eight".