22065561245 has 64 divisors (see below), whose sum is σ = 33164328960. Its totient is φ = 13721419008.

The previous prime is 22065561239. The next prime is 22065561253. The reversal of 22065561245 is 54216556022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22065561245 - 2²⁶ = 21998452381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22065561199 and 22065561208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15333236 + ... + 15334674.

It is an arithmetic number, because the mean of its divisors is an integer number (518192640).

Almost surely, 2^22065561245 is an apocalyptic number.

It is an amenable number.

22065561245 is a deficient number, since it is larger than the sum of its proper divisors (11098767715).

22065561245 is a wasteful number, since it uses less digits than its factorization.

22065561245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 22065561245 in words is "twenty-two billion, sixty-five million, five hundred sixty-one thousand, two hundred forty-five".