22190220068 has 12 divisors (see below), whose sum is σ = 38999551500. Its totient is φ = 11047491072.

The previous prime is 22190219959. The next prime is 22190220079. The reversal of 22190220068 is 86002209122.

It can be written as a sum of positive squares in 2 ways, for example, as 7157498404 + 15032721664 = 84602^2 + 122608^2 .

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, 11903693 + ... + 11905556.

It is an arithmetic number, because the mean of its divisors is an integer number (3249962625).

Almost surely, 2^22190220068 is an apocalyptic number.

It is an amenable number.

22190220068 is a deficient number, since it is larger than the sum of its proper divisors (16809331432).

22190220068 is a wasteful number, since it uses less digits than its factorization.

22190220068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23809486 (or 23809484 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 22190220068 in words is "twenty-two billion, one hundred ninety million, two hundred twenty thousand, sixty-eight".