82222232 has 8 divisors (see below), whose sum is σ = 154166700. Its totient is φ = 41111112.

The previous prime is 82222219. The next prime is 82222237. The reversal of 82222232 is 23222228.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 82222198 and 82222207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82222237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5138882 + ... + 5138897.

Almost surely, 2^82222232 is an apocalyptic number.

It is an amenable number.

82222232 is a deficient number, since it is larger than the sum of its proper divisors (71944468).

82222232 is a wasteful number, since it uses less digits than its factorization.

82222232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10277785 (or 10277781 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 82222232 is about 9067.6475449810. The cubic root of 82222232 is about 434.8402672437.

The spelling of 82222232 in words is "eighty-two million, two hundred twenty-two thousand, two hundred thirty-two".