82985222 has 8 divisors (see below), whose sum is σ = 124918536. Its totient is φ = 41345712.

The previous prime is 82985209. The next prime is 82985237. The reversal of 82985222 is 22258928.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 15.

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, 72743 + ... + 73874.

It is an arithmetic number, because the mean of its divisors is an integer number (15614817).

Almost surely, 2^82985222 is an apocalyptic number.

82985222 is a deficient number, since it is larger than the sum of its proper divisors (41933314).

82985222 is a wasteful number, since it uses less digits than its factorization.

82985222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146902.

The product of its digits is 46080, while the sum is 38.

The square root of 82985222 is about 9109.6224949226. The cubic root of 82985222 is about 436.1811769822.

The spelling of 82985222 in words is "eighty-two million, nine hundred eighty-five thousand, two hundred twenty-two".