228444822 has 12 divisors (see below), whose sum is σ = 494963820. Its totient is φ = 76148268.

The previous prime is 228444791. The next prime is 228444841.

It is a happy number.

228444822 is nontrivially palindromic in base 10.

228444822 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×228444822² = 104374073397223368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6345672 + ... + 6345707.

It is an arithmetic number, because the mean of its divisors is an integer number (41246985).

Almost surely, 2^228444822 is an apocalyptic number.

228444822 is an abundant number, since it is smaller than the sum of its proper divisors (266518998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228444822 is a wasteful number, since it uses less digits than its factorization.

228444822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12691387 (or 12691384 counting only the distinct ones).

The product of its digits is 65536, while the sum is 36.

The square root of 228444822 is about 15114.3912216139. The cubic root of 228444822 is about 611.3085070774.

The spelling of 228444822 in words is "two hundred twenty-eight million, four hundred forty-four thousand, eight hundred twenty-two".