22464610645 has 8 divisors (see below), whose sum is σ = 28543270104. Its totient is φ = 16914530304.

The previous prime is 22464610621. The next prime is 22464610661. The reversal of 22464610645 is 54601646422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1012321489 + 21452289156 = 31817^2 + 146466^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22464610645 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22464610598 and 22464610607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132144684 + ... + 132144853.

It is an arithmetic number, because the mean of its divisors is an integer number (3567908763).

Almost surely, 2^22464610645 is an apocalyptic number.

It is an amenable number.

22464610645 is a deficient number, since it is larger than the sum of its proper divisors (6078659459).

22464610645 is a wasteful number, since it uses less digits than its factorization.

22464610645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264289559.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 22464610645 in words is "twenty-two billion, four hundred sixty-four million, six hundred ten thousand, six hundred forty-five".