82197226442 has 8 divisors (see below), whose sum is σ = 128656528416. Its totient is φ = 39311716972.

The previous prime is 82197226429. The next prime is 82197226453. The reversal of 82197226442 is 24462279128.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893448068 + ... + 893448159.

It is an arithmetic number, because the mean of its divisors is an integer number (16082066052).

Almost surely, 2^82197226442 is an apocalyptic number.

82197226442 is a deficient number, since it is larger than the sum of its proper divisors (46459301974).

82197226442 is a wasteful number, since it uses less digits than its factorization.

82197226442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786896252.

The product of its digits is 774144, while the sum is 47.

The spelling of 82197226442 in words is "eighty-two billion, one hundred ninety-seven million, two hundred twenty-six thousand, four hundred forty-two".