22005062645 has 8 divisors (see below), whose sum is σ = 27050126040. Its totient is φ = 17174682880.

The previous prime is 22005062641. The next prime is 22005062659. The reversal of 22005062645 is 54626050022.

It can be written as a sum of positive squares in 4 ways, for example, as 781817521 + 21223245124 = 27961^2 + 145682^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22005062645 - 2² = 22005062641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22005062641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53670680 + ... + 53671089.

It is an arithmetic number, because the mean of its divisors is an integer number (3381265755).

Almost surely, 2^22005062645 is an apocalyptic number.

It is an amenable number.

22005062645 is a deficient number, since it is larger than the sum of its proper divisors (5045063395).

22005062645 is a wasteful number, since it uses less digits than its factorization.

22005062645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107341815.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 22005062645 in words is "twenty-two billion, five million, sixty-two thousand, six hundred forty-five".