3220229953993 has 4 divisors (see below), whose sum is σ = 3467939950468. Its totient is φ = 2972519957520.

The previous prime is 3220229953979. The next prime is 3220229954009. The reversal of 3220229953993 is 3993599220223.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 351095356089 + 2869134597904 = 592533^2 + 1693852^2 .

It is a cyclic number.

It is not a de Polignac number, because 3220229953993 - 2²⁵ = 3220196399561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220229954993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123854998218 + ... + 123854998243.

It is an arithmetic number, because the mean of its divisors is an integer number (866984987617).

Almost surely, 2^{3220229953993} is an apocalyptic number.

It is an amenable number.

3220229953993 is a deficient number, since it is larger than the sum of its proper divisors (247709996475).

3220229953993 is a wasteful number, since it uses less digits than its factorization.

3220229953993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247709996474.

The product of its (nonzero) digits is 14171760, while the sum is 58.

The spelling of 3220229953993 in words is "three trillion, two hundred twenty billion, two hundred twenty-nine million, nine hundred fifty-three thousand, nine hundred ninety-three".