22266430693 has 4 divisors (see below), whose sum is σ = 23979233068. Its totient is φ = 20553628320.

The previous prime is 22266430679. The next prime is 22266430723. The reversal of 22266430693 is 39603466222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39603466222 = 2 ⋅19801733111.

It can be written as a sum of positive squares in 2 ways, for example, as 6418893924 + 15847536769 = 80118^2 + 125887^2 .

It is a cyclic number.

It is not a de Polignac number, because 22266430693 - 2³³ = 13676496101 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 (22266430093) 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, 856401168 + ... + 856401193.

It is an arithmetic number, because the mean of its divisors is an integer number (5994808267).

Almost surely, 2^22266430693 is an apocalyptic number.

It is an amenable number.

22266430693 is a deficient number, since it is larger than the sum of its proper divisors (1712802375).

22266430693 is a wasteful number, since it uses less digits than its factorization.

22266430693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712802374.

The product of its (nonzero) digits is 559872, while the sum is 43.

The spelling of 22266430693 in words is "twenty-two billion, two hundred sixty-six million, four hundred thirty thousand, six hundred ninety-three".