222002220022201 has 8 divisors (see below), whose sum is σ = 235061304789960. Its totient is φ = 208943149771008.

The previous prime is 222002220022183. The next prime is 222002220022213. The reversal of 222002220022201 is 102220022200222.

It can be written as a sum of positive squares in 4 ways, for example, as 53098926183801 + 168903293838400 = 7286901^2 + 12996280^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222002220022201 - 2⁹ = 222002220021689 is a prime.

It is a super-4 number, since 4×222002220022201⁴ (a number of 58 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (222002220022241) 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 7 ways as a sum of consecutive naturals, for example, 54033175 + ... + 57996451.

It is an arithmetic number, because the mean of its divisors is an integer number (29382663098745).

Almost surely, 2^{222002220022201} is an apocalyptic number.

It is an amenable number.

222002220022201 is a deficient number, since it is larger than the sum of its proper divisors (13059084767759).

222002220022201 is a wasteful number, since it uses less digits than its factorization.

222002220022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7258283.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 222002220022201 its reverse (102220022200222), we get a palindrome (324222242222423).

The spelling of 222002220022201 in words is "two hundred twenty-two trillion, two billion, two hundred twenty million, twenty-two thousand, two hundred one".