3220140821637 has 8 divisors (see below), whose sum is σ = 4296476036704. Its totient is φ = 2145283077168.

The previous prime is 3220140821621. The next prime is 3220140821647. The reversal of 3220140821637 is 7361280410223.

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

It is not a de Polignac number, because 3220140821637 - 2⁴ = 3220140821621 is a prime.

It is a super-2 number, since 2×3220140821637² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3220140821595 and 3220140821604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220140821647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369362563 + ... + 369371280.

It is an arithmetic number, because the mean of its divisors is an integer number (537059504588).

Almost surely, 2^{3220140821637} is an apocalyptic number.

It is an amenable number.

3220140821637 is a deficient number, since it is larger than the sum of its proper divisors (1076335215067).

3220140821637 is a wasteful number, since it uses less digits than its factorization.

3220140821637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738735299.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 3220140821637 in words is "three trillion, two hundred twenty billion, one hundred forty million, eight hundred twenty-one thousand, six hundred thirty-seven".