82222658 has 16 divisors (see below), whose sum is σ = 144763584. Its totient is φ = 34285680.

The previous prime is 82222649. The next prime is 82222661. The reversal of 82222658 is 85622228.

It is a Curzon number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 78848 + ... + 79883.

It is an arithmetic number, because the mean of its divisors is an integer number (9047724).

Almost surely, 2^82222658 is an apocalyptic number.

82222658 is a deficient number, since it is larger than the sum of its proper divisors (62540926).

82222658 is a wasteful number, since it uses less digits than its factorization.

82222658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158777.

The product of its digits is 30720, while the sum is 35.

The square root of 82222658 is about 9067.6710350564. The cubic root of 82222658 is about 434.8410182232.

The spelling of 82222658 in words is "eighty-two million, two hundred twenty-two thousand, six hundred fifty-eight".