2822653221 has 4 divisors (see below), whose sum is σ = 3763537632. Its totient is φ = 1881768812.

The previous prime is 2822653187. The next prime is 2822653271. The reversal of 2822653221 is 1223562282.

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 2822653221 - 2⁹ = 2822652709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2822653271) 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, 470442201 + ... + 470442206.

It is an arithmetic number, because the mean of its divisors is an integer number (940884408).

Almost surely, 2^2822653221 is an apocalyptic number.

It is an amenable number.

2822653221 is a deficient number, since it is larger than the sum of its proper divisors (940884411).

2822653221 is an equidigital number, since it uses as much as digits as its factorization.

2822653221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940884410.

The product of its digits is 23040, while the sum is 33.

The square root of 2822653221 is about 53128.6478371133. The cubic root of 2822653221 is about 1413.2505895190.

The spelling of 2822653221 in words is "two billion, eight hundred twenty-two million, six hundred fifty-three thousand, two hundred twenty-one".