3221620261223 has 32 divisors (see below), whose sum is σ = 4308396503040. Its totient is φ = 2336920346880.

The previous prime is 3221620261129. The next prime is 3221620261241.

3221620261223 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3221620261223 - 2¹² = 3221620257127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3221620261223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221620264223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29999390 + ... + 30106587.

It is an arithmetic number, because the mean of its divisors is an integer number (134637390720).

Almost surely, 2^{3221620261223} is an apocalyptic number.

3221620261223 is a deficient number, since it is larger than the sum of its proper divisors (1086776241817).

3221620261223 is a wasteful number, since it uses less digits than its factorization.

3221620261223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60106047.

The product of its (nonzero) digits is 20736, while the sum is 32.

It can be divided in two parts, 3221620 and 261223, that added together give a palindrome (3482843).

The spelling of 3221620261223 in words is "three trillion, two hundred twenty-one billion, six hundred twenty million, two hundred sixty-one thousand, two hundred twenty-three".