1442002201 has 2 divisors, whose sum is σ = 1442002202. Its totient is φ = 1442002200.

The previous prime is 1442002187. The next prime is 1442002213. The reversal of 1442002201 is 1022002441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 947162176 + 494840025 = 30776^2 + 22245^2 .

It is an emirp because it is prime and its reverse (1022002441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1442002201 - 2¹⁹ = 1441477913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442002801) 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, 721001100 + 721001101.

It is an arithmetic number, because the mean of its divisors is an integer number (721001101).

Almost surely, 2^1442002201 is an apocalyptic number.

It is an amenable number.

1442002201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442002201 is an equidigital number, since it uses as much as digits as its factorization.

1442002201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1442002201 is about 37973.7040726869. The cubic root of 1442002201 is about 1129.7663654082.

Adding to 1442002201 its reverse (1022002441), we get a palindrome (2464004642).

The spelling of 1442002201 in words is "one billion, four hundred forty-two million, two thousand, two hundred one".