2822021201 has 4 divisors (see below), whose sum is σ = 2825218032. Its totient is φ = 2818824372.

The previous prime is 2822021183. The next prime is 2822021221. The reversal of 2822021201 is 1021202282.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1021202282 = 2 ⋅510601141.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2822021201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2822021221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1597091 + ... + 1598856.

It is an arithmetic number, because the mean of its divisors is an integer number (706304508).

Almost surely, 2^2822021201 is an apocalyptic number.

It is an amenable number.

2822021201 is a deficient number, since it is larger than the sum of its proper divisors (3196831).

2822021201 is an equidigital number, since it uses as much as digits as its factorization.

2822021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196830.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 2822021201 is about 53122.6994890132. The cubic root of 2822021201 is about 1413.1451013793.

Adding to 2822021201 its reverse (1021202282), we get a palindrome (3843223483).

The spelling of 2822021201 in words is "two billion, eight hundred twenty-two million, twenty-one thousand, two hundred one".