1222531342201 has 4 divisors (see below), whose sum is σ = 1316572214692. Its totient is φ = 1128490469712.

The previous prime is 1222531342181. The next prime is 1222531342231. The reversal of 1222531342201 is 1022431352221.

It is a happy number.

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 352693454400 + 869837887801 = 593880^2 + 932651^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222531342201 - 2²⁹ = 1221994471289 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 1222531342201.

It is not an unprimeable number, because it can be changed into a prime (1222531342231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47020436226 + ... + 47020436251.

It is an arithmetic number, because the mean of its divisors is an integer number (329143053673).

Almost surely, 2^{1222531342201} is an apocalyptic number.

It is an amenable number.

1222531342201 is a deficient number, since it is larger than the sum of its proper divisors (94040872491).

1222531342201 is an equidigital number, since it uses as much as digits as its factorization.

1222531342201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94040872490.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 1222531342201 its reverse (1022431352221), we get a palindrome (2244962694422).

The spelling of 1222531342201 in words is "one trillion, two hundred twenty-two billion, five hundred thirty-one million, three hundred forty-two thousand, two hundred one".