1444601622 has 16 divisors (see below), whose sum is σ = 3059156592. Its totient is φ = 453208320.

The previous prime is 1444601593. The next prime is 1444601623. The reversal of 1444601622 is 2261064441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1444601622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444601623) 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 in 7 ways as a sum of consecutive naturals, for example, 7081279 + ... + 7081482.

It is an arithmetic number, because the mean of its divisors is an integer number (191197287).

Almost surely, 2^1444601622 is an apocalyptic number.

1444601622 is an abundant number, since it is smaller than the sum of its proper divisors (1614554970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1444601622 is a wasteful number, since it uses less digits than its factorization.

1444601622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14162783.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 1444601622 is about 38007.9152545887. The cubic root of 1444601622 is about 1130.4448145682. Note that the first 3 decimals are identical.

The spelling of 1444601622 in words is "one billion, four hundred forty-four million, six hundred one thousand, six hundred twenty-two".