82220222 has 8 divisors (see below), whose sum is σ = 140948976. Its totient is φ = 35237232.

The previous prime is 82220221. The next prime is 82220227. The reversal of 82220222 is 22202228.

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 = 82220194 and 82220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82220221) 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, 2936423 + ... + 2936450.

It is an arithmetic number, because the mean of its divisors is an integer number (17618622).

Almost surely, 2^82220222 is an apocalyptic number.

82220222 is a deficient number, since it is larger than the sum of its proper divisors (58728754).

82220222 is a wasteful number, since it uses less digits than its factorization.

82220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872882.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 82220222 is about 9067.5367107059. The cubic root of 82220222 is about 434.8367238547.

The spelling of 82220222 in words is "eighty-two million, two hundred twenty thousand, two hundred twenty-two".