9922531 has 2 divisors, whose sum is σ = 9922532. Its totient is φ = 9922530.

The previous prime is 9922529. The next prime is 9922559. The reversal of 9922531 is 1352299.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9922531 - 2¹ = 9922529 is a prime.

It is a super-2 number, since 2×9922531² = 196913242891922, which contains 22 as substring.

Together with 9922529, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 9922493 and 9922502.

It is not a weakly prime, because it can be changed into another prime (9922571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4961265 + 4961266.

It is an arithmetic number, because the mean of its divisors is an integer number (4961266).

Almost surely, 2^9922531 is an apocalyptic number.

9922531 is a deficient number, since it is larger than the sum of its proper divisors (1).

9922531 is an equidigital number, since it uses as much as digits as its factorization.

9922531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 31.

The square root of 9922531 is about 3150.0049206311. The cubic root of 9922531 is about 214.8856864821.

Subtracting from 9922531 its sum of digits (31), we obtain a square (9922500 = 3150²).

The spelling of 9922531 in words is "nine million, nine hundred twenty-two thousand, five hundred thirty-one".