2202221001 has 4 divisors (see below), whose sum is σ = 2936294672. Its totient is φ = 1468147332.

The previous prime is 2202220991. The next prime is 2202221009. The reversal of 2202221001 is 1001222022.

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 not a de Polignac number, because 2202221001 - 2²³ = 2193832393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202221009) 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, 367036831 + ... + 367036836.

It is an arithmetic number, because the mean of its divisors is an integer number (734073668).

Almost surely, 2^2202221001 is an apocalyptic number.

It is an amenable number.

2202221001 is a deficient number, since it is larger than the sum of its proper divisors (734073671).

2202221001 is an equidigital number, since it uses as much as digits as its factorization.

2202221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734073670.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2202221001 is about 46927.8275759703. The cubic root of 2202221001 is about 1301.0289685765.

Adding to 2202221001 its reverse (1001222022), we get a palindrome (3203443023).

The spelling of 2202221001 in words is "two billion, two hundred two million, two hundred twenty-one thousand, one".