228622 has 4 divisors (see below), whose sum is σ = 342936. Its totient is φ = 114310.

The previous prime is 228619. The next prime is 228637. The reversal of 228622 is 226822.

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

It is a junction number, because it is equal to n+sod(n) for n = 228593 and 228602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57154 + ... + 57157.

It is an arithmetic number, because the mean of its divisors is an integer number (85734).

2²²⁸⁶²² is an apocalyptic number.

228622 is a deficient number, since it is larger than the sum of its proper divisors (114314).

228622 is a wasteful number, since it uses less digits than its factorization.

228622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114313.

The product of its digits is 768, while the sum is 22.

The square root of 228622 is about 478.1443296746. The cubic root of 228622 is about 61.1466506470.

The spelling of 228622 in words is "two hundred twenty-eight thousand, six hundred twenty-two".