222002002222001 has 4 divisors (see below), whose sum is σ = 222002043303792. Its totient is φ = 222001961140212.

The previous prime is 222002002221953. The next prime is 222002002222003. The reversal of 222002002222001 is 100222200200222.

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 222002002222001 - 2²⁶ = 222001935113137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222002002222003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10938851 + ... + 23741576.

It is an arithmetic number, because the mean of its divisors is an integer number (55500510825948).

Almost surely, 2^{222002002222001} is an apocalyptic number.

It is an amenable number.

222002002222001 is a deficient number, since it is larger than the sum of its proper divisors (41081791).

222002002222001 is an equidigital number, since it uses as much as digits as its factorization.

222002002222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41081790.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 222002002222001 its reverse (100222200200222), we get a palindrome (322224202422223).

The spelling of 222002002222001 in words is "two hundred twenty-two trillion, two billion, two million, two hundred twenty-two thousand, one".