971444224 has 39 divisors (see below), whose sum is σ = 1946648487. Its totient is φ = 484724736.

The previous prime is 971444219. The next prime is 971444237. The reversal of 971444224 is 422444179.

It is a happy number.

The square root of 971444224 is 31168.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1994509 + ... + 1994995.

Almost surely, 2^971444224 is an apocalyptic number.

971444224 is the 31168-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 971444224

971444224 is an abundant number, since it is smaller than the sum of its proper divisors (975204263).

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

971444224 is an frugal number, since it uses more digits than its factorization.

971444224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 489 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The cubic root of 971444224 is about 990.3893390925.

The spelling of 971444224 in words is "nine hundred seventy-one million, four hundred forty-four thousand, two hundred twenty-four".