972228608 has 108 divisors (see below), whose sum is σ = 2145489255. Its totient is φ = 440254464.

The previous prime is 972228563. The next prime is 972228617. The reversal of 972228608 is 806822279.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 331531264 + 640697344 = 18208^2 + 25312^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=22048.

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 8 ways as a sum of consecutive naturals, for example, 18343910 + ... + 18343962.

Almost surely, 2^972228608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 972228608

972228608 is an abundant number, since it is smaller than the sum of its proper divisors (1173260647).

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

972228608 is an equidigital number, since it uses as much as digits as its factorization.

972228608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 972228608 is about 31180.5806232020. The cubic root of 972228608 is about 990.6558277357.

The spelling of 972228608 in words is "nine hundred seventy-two million, two hundred twenty-eight thousand, six hundred eight".