744444522 has 12 divisors (see below), whose sum is σ = 1612963170. Its totient is φ = 248148168.

The previous prime is 744444499. The next prime is 744444523. The reversal of 744444522 is 225444447.

It can be written as a sum of positive squares in only one way, i.e., 649791081 + 94653441 = 25491^2 + 9729^2 .

It is not an unprimeable number, because it can be changed into a prime (744444523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20678997 + ... + 20679032.

Almost surely, 2^744444522 is an apocalyptic number.

744444522 is an abundant number, since it is smaller than the sum of its proper divisors (868518648).

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

744444522 is a wasteful number, since it uses less digits than its factorization.

744444522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41358037 (or 41358034 counting only the distinct ones).

The product of its digits is 143360, while the sum is 36.

The square root of 744444522 is about 27284.5106608127. The cubic root of 744444522 is about 906.3114070669.

Adding to 744444522 its reverse (225444447), we get a palindrome (969888969).

The spelling of 744444522 in words is "seven hundred forty-four million, four hundred forty-four thousand, five hundred twenty-two".