3223018872405 has 24 divisors (see below), whose sum is σ = 5587931272248. Its totient is φ = 1718523328896.

The previous prime is 3223018872397. The next prime is 3223018872419. The reversal of 3223018872405 is 5042788103223.

3223018872405 is a `hidden beast` number, since 3 + 2 + 230 + 1 + 8 + 8 + 7 + 2 + 405 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 807981658884 + 2415037213521 = 898878^2 + 1554039^2 .

It is not a de Polignac number, because 3223018872405 - 2³ = 3223018872397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8565222 + ... + 8933591.

It is an arithmetic number, because the mean of its divisors is an integer number (232830469677).

Almost surely, 2^{3223018872405} is an apocalyptic number.

It is an amenable number.

3223018872405 is a deficient number, since it is larger than the sum of its proper divisors (2364912399843).

3223018872405 is a wasteful number, since it uses less digits than its factorization.

3223018872405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17502917 (or 17502914 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 3223018872405 in words is "three trillion, two hundred twenty-three billion, eighteen million, eight hundred seventy-two thousand, four hundred five".