222222002201 has 4 divisors (see below), whose sum is σ = 224379497472. Its totient is φ = 220064506932.

The previous prime is 222222002159. The next prime is 222222002273. The reversal of 222222002201 is 102200222222.

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 222222002201 - 2¹⁸ = 222221740057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222222002201.

It is not an unprimeable number, because it can be changed into a prime (222222002291) 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, 1078747481 + ... + 1078747686.

It is an arithmetic number, because the mean of its divisors is an integer number (56094874368).

Almost surely, 2^222222002201 is an apocalyptic number.

It is an amenable number.

222222002201 is a deficient number, since it is larger than the sum of its proper divisors (2157495271).

222222002201 is a wasteful number, since it uses less digits than its factorization.

222222002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157495270.

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

Adding to 222222002201 its reverse (102200222222), we get a palindrome (324422224423).

The spelling of 222222002201 in words is "two hundred twenty-two billion, two hundred twenty-two million, two thousand, two hundred one".