82211011228 has 12 divisors (see below), whose sum is σ = 145840082080. Its totient is φ = 40542416352.

The previous prime is 82211011187. The next prime is 82211011231.

82211011228 is nontrivially palindromic in base 10.

It is a super-4 number, since 4×82211011228⁴ (a number of 45 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82211011196 and 82211011205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140771988 + ... + 140772571.

Almost surely, 2^82211011228 is an apocalyptic number.

It is an amenable number.

82211011228 is a deficient number, since it is larger than the sum of its proper divisors (63629070852).

82211011228 is a wasteful number, since it uses less digits than its factorization.

82211011228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281544636 (or 281544634 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 28.

It can be divided in two parts, 822110 and 11228, that added together give a palindrome (833338).

The spelling of 82211011228 in words is "eighty-two billion, two hundred eleven million, eleven thousand, two hundred twenty-eight".