1442444201 has 4 divisors (see below), whose sum is σ = 1573575504. Its totient is φ = 1311312900.

The previous prime is 1442444183. The next prime is 1442444219. The reversal of 1442444201 is 1024442441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1442444183) and next prime (1442444219).

It is a cyclic number.

It is not a de Polignac number, because 1442444201 - 2²⁶ = 1375335337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1442444221) 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, 65565635 + ... + 65565656.

It is an arithmetic number, because the mean of its divisors is an integer number (393393876).

Almost surely, 2^1442444201 is an apocalyptic number.

1442444201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1442444201 is a deficient number, since it is larger than the sum of its proper divisors (131131303).

1442444201 is a wasteful number, since it uses less digits than its factorization.

1442444201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131131302.

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 1442444201 is about 37979.5234435610. The cubic root of 1442444201 is about 1129.8817849550.

Adding to 1442444201 its reverse (1024442441), we get a palindrome (2466886642).

The spelling of 1442444201 in words is "one billion, four hundred forty-two million, four hundred forty-four thousand, two hundred one".