1444422001 has 8 divisors (see below), whose sum is σ = 1609259904. Its totient is φ = 1285171920.

The previous prime is 1444421999. The next prime is 1444422041. The reversal of 1444422001 is 1002244441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1444422001 - 2¹ = 1444421999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444422041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396410 + ... + 1397443.

It is an arithmetic number, because the mean of its divisors is an integer number (201157488).

Almost surely, 2^1444422001 is an apocalyptic number.

1444422001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1444422001 is a deficient number, since it is larger than the sum of its proper divisors (164837903).

1444422001 is a wasteful number, since it uses less digits than its factorization.

1444422001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793911.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1444422001 is about 38005.5522391137. The cubic root of 1444422001 is about 1130.3979596565.

Adding to 1444422001 its reverse (1002244441), we get a palindrome (2446666442).

The spelling of 1444422001 in words is "one billion, four hundred forty-four million, four hundred twenty-two thousand, one".