2822942237221 has 4 divisors (see below), whose sum is σ = 2829039305152. Its totient is φ = 2816845169292.

The previous prime is 2822942237201. The next prime is 2822942237231. The reversal of 2822942237221 is 1227322492282.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2822942237221 - 2¹⁹ = 2822941712933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2822942237201) 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, 3048533271 + ... + 3048534196.

It is an arithmetic number, because the mean of its divisors is an integer number (707259826288).

Almost surely, 2^{2822942237221} is an apocalyptic number.

It is an amenable number.

2822942237221 is a deficient number, since it is larger than the sum of its proper divisors (6097067931).

2822942237221 is an equidigital number, since it uses as much as digits as its factorization.

2822942237221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6097067930.

The product of its digits is 774144, while the sum is 46.

The spelling of 2822942237221 in words is "two trillion, eight hundred twenty-two billion, nine hundred forty-two million, two hundred thirty-seven thousand, two hundred twenty-one".