22111790293 has 4 divisors (see below), whose sum is σ = 22125432748. Its totient is φ = 22098147840.

The previous prime is 22111790291. The next prime is 22111790321. The reversal of 22111790293 is 39209711122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18632796004 + 3478994289 = 136502^2 + 58983^2 .

It is a cyclic number.

It is not a de Polignac number, because 22111790293 - 2¹ = 22111790291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111790291) 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 3 ways as a sum of consecutive naturals, for example, 6818796 + ... + 6822037.

It is an arithmetic number, because the mean of its divisors is an integer number (5531358187).

Almost surely, 2^22111790293 is an apocalyptic number.

It is an amenable number.

22111790293 is a deficient number, since it is larger than the sum of its proper divisors (13642455).

22111790293 is a wasteful number, since it uses less digits than its factorization.

22111790293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13642454.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 22111790293 in words is "twenty-two billion, one hundred eleven million, seven hundred ninety thousand, two hundred ninety-three".