22065137798 has 32 divisors (see below), whose sum is σ = 38020337280. Its totient is φ = 9498384000.

The previous prime is 22065137797. The next prime is 22065137851. The reversal of 22065137798 is 89773156022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22065137797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1451678 + ... + 1466798.

It is an arithmetic number, because the mean of its divisors is an integer number (1188135540).

Almost surely, 2^22065137798 is an apocalyptic number.

22065137798 is a deficient number, since it is larger than the sum of its proper divisors (15955199482).

22065137798 is a wasteful number, since it uses less digits than its factorization.

22065137798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18644.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 22065137798 in words is "twenty-two billion, sixty-five million, one hundred thirty-seven thousand, seven hundred ninety-eight".