9971522 has 16 divisors (see below), whose sum is σ = 16844544. Its totient is φ = 4386000.

The previous prime is 9971519. The next prime is 9971539. The reversal of 9971522 is 2251799.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6629 + ... + 7992.

It is an arithmetic number, because the mean of its divisors is an integer number (1052784).

Almost surely, 2^9971522 is an apocalyptic number.

9971522 is a deficient number, since it is larger than the sum of its proper divisors (6873022).

9971522 is a wasteful number, since it uses less digits than its factorization.

9971522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14665.

The product of its digits is 11340, while the sum is 35.

The square root of 9971522 is about 3157.7716826902. The cubic root of 9971522 is about 215.2387612541.

The spelling of 9971522 in words is "nine million, nine hundred seventy-one thousand, five hundred twenty-two".