228022 has 8 divisors (see below), whose sum is σ = 356976. Its totient is φ = 109032.

The previous prime is 228013. The next prime is 228023. The reversal of 228022 is 220822.

228022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 227987 and 228005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228023) 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, 2433 + ... + 2524.

It is an arithmetic number, because the mean of its divisors is an integer number (44622).

2²²⁸⁰²² is an apocalyptic number.

228022 is a deficient number, since it is larger than the sum of its proper divisors (128954).

228022 is a wasteful number, since it uses less digits than its factorization.

228022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 228022 is about 477.5164918618. The cubic root of 228022 is about 61.0931122996.

Adding to 228022 its product of nonzero digits (128), we get a triangular number (228150 = T₆₇₅).

Adding to 228022 its reverse (220822), we get a palindrome (448844).

The spelling of 228022 in words is "two hundred twenty-eight thousand, twenty-two".