22036605605 has 12 divisors (see below), whose sum is σ = 30761302860. Its totient is φ = 15110815104.

The previous prime is 22036605527. The next prime is 22036605611. The reversal of 22036605605 is 50650663022.

It can be written as a sum of positive squares in 2 ways, for example, as 16001491009 + 6035114596 = 126497^2 + 77686^2 .

It is not a de Polignac number, because 22036605605 - 2¹⁶ = 22036540069 is a prime.

It is a super-2 number, since 2×22036605605² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 44972420 + ... + 44972909.

It is an arithmetic number, because the mean of its divisors is an integer number (2563441905).

Almost surely, 2^22036605605 is an apocalyptic number.

It is an amenable number.

22036605605 is a deficient number, since it is larger than the sum of its proper divisors (8724697255).

22036605605 is an equidigital number, since it uses as much as digits as its factorization.

22036605605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89945348 (or 89945341 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 22036605605 in words is "twenty-two billion, thirty-six million, six hundred five thousand, six hundred five".