22406610013 has 4 divisors (see below), whose sum is σ = 22443892828. Its totient is φ = 22369327200.

The previous prime is 22406609957. The next prime is 22406610019. The reversal of 22406610013 is 31001660422.

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 10642604569 + 11764005444 = 103163^2 + 108462^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22406610013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22406610013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22406610019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18640506 + ... + 18641707.

It is an arithmetic number, because the mean of its divisors is an integer number (5610973207).

Almost surely, 2^22406610013 is an apocalyptic number.

It is an amenable number.

22406610013 is a deficient number, since it is larger than the sum of its proper divisors (37282815).

22406610013 is an equidigital number, since it uses as much as digits as its factorization.

22406610013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37282814.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 22406610013 in words is "twenty-two billion, four hundred six million, six hundred ten thousand, thirteen".