2223586645 has 16 divisors (see below), whose sum is σ = 3107030400. Its totient is φ = 1495975104.

The previous prime is 2223586639. The next prime is 2223586667. The reversal of 2223586645 is 5466853222.

It is a cyclic number.

It is not a de Polignac number, because 2223586645 - 2³ = 2223586637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597495 + ... + 601204.

It is an arithmetic number, because the mean of its divisors is an integer number (194189400).

Almost surely, 2^2223586645 is an apocalyptic number.

It is an amenable number.

2223586645 is a deficient number, since it is larger than the sum of its proper divisors (883443755).

2223586645 is a wasteful number, since it uses less digits than its factorization.

2223586645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198764.

The product of its digits is 691200, while the sum is 43.

The square root of 2223586645 is about 47154.9217473638. The cubic root of 2223586645 is about 1305.2229024765. Note that the first 3 decimals are identical.

The spelling of 2223586645 in words is "two billion, two hundred twenty-three million, five hundred eighty-six thousand, six hundred forty-five".