22019308695 has 12 divisors (see below), whose sum is σ = 38166801816. Its totient is φ = 11743631280.

The previous prime is 22019308691. The next prime is 22019308741. The reversal of 22019308695 is 59680391022.

It is not a de Polignac number, because 22019308695 - 2² = 22019308691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 489317971 = 22019308695 / (2 + 2 + 0 + 1 + 9 + 3 + 0 + 8 + 6 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 22019308695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22019308691) 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 11 ways as a sum of consecutive naturals, for example, 244658941 + ... + 244659030.

It is an arithmetic number, because the mean of its divisors is an integer number (3180566818).

Almost surely, 2^22019308695 is an apocalyptic number.

22019308695 is a deficient number, since it is larger than the sum of its proper divisors (16147493121).

22019308695 is a wasteful number, since it uses less digits than its factorization.

22019308695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489317982 (or 489317979 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 22019308695 in words is "twenty-two billion, nineteen million, three hundred eight thousand, six hundred ninety-five".