22162035213 has 14 divisors (see below), whose sum is σ = 33227853614. Its totient is φ = 14774689656.

The previous prime is 22162035209. The next prime is 22162035241. The reversal of 22162035213 is 31253026122.

It is a happy number.

22162035213 is a `hidden beast` number, since 2 + 2 + 1 + 620 + 35 + 2 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21684918564 + 477116649 = 147258^2 + 21843^2 .

It is not a de Polignac number, because 22162035213 - 2² = 22162035209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22162035113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 15199570 + ... + 15201027.

Almost surely, 2^22162035213 is an apocalyptic number.

It is an amenable number.

22162035213 is a deficient number, since it is larger than the sum of its proper divisors (11065818401).

22162035213 is an frugal number, since it uses more digits than its factorization.

22162035213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30400615 (or 30400600 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Subtracting 22162035213 from its reverse (31253026122), we obtain a palindrome (9090990909).

The spelling of 22162035213 in words is "twenty-two billion, one hundred sixty-two million, thirty-five thousand, two hundred thirteen".