228422077 has 8 divisors (see below), whose sum is σ = 246113280. Its totient is φ = 210748080.

The previous prime is 228422071. The next prime is 228422083. The reversal of 228422077 is 770224822.

It is an interprime number because it is at equal distance from previous prime (228422071) and next prime (228422083).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228422077 is a prime.

It is a Duffinian number.

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 in 7 ways as a sum of consecutive naturals, for example, 41052 + ... + 46282.

It is an arithmetic number, because the mean of its divisors is an integer number (30764160).

Almost surely, 2^228422077 is an apocalyptic number.

It is an amenable number.

228422077 is a deficient number, since it is larger than the sum of its proper divisors (17691203).

228422077 is a wasteful number, since it uses less digits than its factorization.

228422077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8603.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 228422077 is about 15113.6387742992. The cubic root of 228422077 is about 611.2882181905.

Adding to 228422077 its reverse (770224822), we get a palindrome (998646899).

The spelling of 228422077 in words is "two hundred twenty-eight million, four hundred twenty-two thousand, seventy-seven".