9959522 has 4 divisors (see below), whose sum is σ = 14939286. Its totient is φ = 4979760.

The previous prime is 9959513. The next prime is 9959533. The reversal of 9959522 is 2259599.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2259599 = 211 ⋅10709.

It can be written as a sum of positive squares in only one way, i.e., 9728161 + 231361 = 3119^2 + 481^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9959522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489879 + ... + 2489882.

Almost surely, 2^9959522 is an apocalyptic number.

9959522 is a deficient number, since it is larger than the sum of its proper divisors (4979764).

9959522 is a wasteful number, since it uses less digits than its factorization.

9959522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979763.

The product of its digits is 72900, while the sum is 41.

The square root of 9959522 is about 3155.8710366553. The cubic root of 9959522 is about 215.1523852083.

The spelling of 9959522 in words is "nine million, nine hundred fifty-nine thousand, five hundred twenty-two".