122220999346 has 16 divisors (see below), whose sum is σ = 190237215168. Its totient is φ = 58848627600.

The previous prime is 122220999343. The next prime is 122220999347. The reversal of 122220999346 is 643999022221.

It is a super-2 number, since 2×122220999346² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122220999346.

It is not an unprimeable number, because it can be changed into a prime (122220999343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10002165 + ... + 10014376.

It is an arithmetic number, because the mean of its divisors is an integer number (11889825948).

Almost surely, 2^122220999346 is an apocalyptic number.

122220999346 is a deficient number, since it is larger than the sum of its proper divisors (68016215822).

122220999346 is a wasteful number, since it uses less digits than its factorization.

122220999346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20016657.

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 122220999346 in words is "one hundred twenty-two billion, two hundred twenty million, nine hundred ninety-nine thousand, three hundred forty-six".