82993222 has 8 divisors (see below), whose sum is σ = 134066016. Its totient is φ = 38304552.

The previous prime is 82993217. The next prime is 82993259. The reversal of 82993222 is 22239928.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1595998 + ... + 1596049.

It is an arithmetic number, because the mean of its divisors is an integer number (16758252).

Almost surely, 2^82993222 is an apocalyptic number.

82993222 is a deficient number, since it is larger than the sum of its proper divisors (51072794).

82993222 is a wasteful number, since it uses less digits than its factorization.

82993222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192062.

The product of its digits is 31104, while the sum is 37.

The square root of 82993222 is about 9110.0615804724. The cubic root of 82993222 is about 436.1951928805.

The spelling of 82993222 in words is "eighty-two million, nine hundred ninety-three thousand, two hundred twenty-two".