1522112201 has 2 divisors, whose sum is σ = 1522112202. Its totient is φ = 1522112200.

The previous prime is 1522112161. The next prime is 1522112203. The reversal of 1522112201 is 1022112251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1255639225 + 266472976 = 35435^2 + 16324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1522112201 is a prime.

Together with 1522112203, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1522112201.

It is not a weakly prime, because it can be changed into another prime (1522112203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761056100 + 761056101.

It is an arithmetic number, because the mean of its divisors is an integer number (761056101).

Almost surely, 2^1522112201 is an apocalyptic number.

It is an amenable number.

1522112201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1522112201 is an equidigital number, since it uses as much as digits as its factorization.

1522112201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1522112201 is about 39014.2563814819. The cubic root of 1522112201 is about 1150.3117493818.

Adding to 1522112201 its reverse (1022112251), we get a palindrome (2544224452).

The spelling of 1522112201 in words is "one billion, five hundred twenty-two million, one hundred twelve thousand, two hundred one".