222002231201 has 4 divisors (see below), whose sum is σ = 222338090004. Its totient is φ = 221666372400.

The previous prime is 222002231197. The next prime is 222002231239. The reversal of 222002231201 is 102132200222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 134891660176 + 87110571025 = 367276^2 + 295145^2 .

It is a cyclic number.

It is not a de Polignac number, because 222002231201 - 2² = 222002231197 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 222002231201.

It is not an unprimeable number, because it can be changed into a prime (222002230201) 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, 167928410 + ... + 167929731.

It is an arithmetic number, because the mean of its divisors is an integer number (55584522501).

Almost surely, 2^222002231201 is an apocalyptic number.

It is an amenable number.

222002231201 is a deficient number, since it is larger than the sum of its proper divisors (335858803).

222002231201 is an equidigital number, since it uses as much as digits as its factorization.

222002231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335858802.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 222002231201 its reverse (102132200222), we get a palindrome (324134431423).

The spelling of 222002231201 in words is "two hundred twenty-two billion, two million, two hundred thirty-one thousand, two hundred one".