222202221001 has 4 divisors (see below), whose sum is σ = 225968360400. Its totient is φ = 218436081604.

The previous prime is 222202220971. The next prime is 222202221049. The reversal of 222202221001 is 100122202222.

222202221001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222202221001 - 2¹⁹ = 222201696713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222202221071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883069611 + ... + 1883069728.

It is an arithmetic number, because the mean of its divisors is an integer number (56492090100).

Almost surely, 2^222202221001 is an apocalyptic number.

It is an amenable number.

222202221001 is a deficient number, since it is larger than the sum of its proper divisors (3766139399).

222202221001 is an equidigital number, since it uses as much as digits as its factorization.

222202221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766139398.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222202221001 its reverse (100122202222), we get a palindrome (322324423223).

The spelling of 222202221001 in words is "two hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, one".