3221023636345 has 16 divisors (see below), whose sum is σ = 3937437241920. Its totient is φ = 2528828469184.

The previous prime is 3221023636297. The next prime is 3221023636351. The reversal of 3221023636345 is 5436363201223.

It is a cyclic number.

It is not a de Polignac number, because 3221023636345 - 2⁹ = 3221023635833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3221023636298 and 3221023636307.

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, 9127282 + ... + 9473611.

It is an arithmetic number, because the mean of its divisors is an integer number (246089827620).

Almost surely, 2^{3221023636345} is an apocalyptic number.

It is an amenable number.

3221023636345 is a deficient number, since it is larger than the sum of its proper divisors (716413605575).

3221023636345 is a wasteful number, since it uses less digits than its factorization.

3221023636345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18601544.

The product of its (nonzero) digits is 466560, while the sum is 40.

Adding to 3221023636345 its reverse (5436363201223), we get a palindrome (8657386837568).

The spelling of 3221023636345 in words is "three trillion, two hundred twenty-one billion, twenty-three million, six hundred thirty-six thousand, three hundred forty-five".