82194042522 has 32 divisors (see below), whose sum is σ = 175230489600. Its totient is φ = 25627453488.

The previous prime is 82194042517. The next prime is 82194042547. The reversal of 82194042522 is 22524049128.

It is a happy number.

It is a super-2 number, since 2×82194042522² (a number of 23 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 4554288 + ... + 4572299.

It is an arithmetic number, because the mean of its divisors is an integer number (5475952800).

Almost surely, 2^82194042522 is an apocalyptic number.

82194042522 is an abundant number, since it is smaller than the sum of its proper divisors (93036447078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82194042522 is a wasteful number, since it uses less digits than its factorization.

82194042522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9126690.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 82194042522 in words is "eighty-two billion, one hundred ninety-four million, forty-two thousand, five hundred twenty-two".