9922531823 has 4 divisors (see below), whose sum is σ = 10444770360. Its totient is φ = 9400293288.

The previous prime is 9922531813. The next prime is 9922531847. The reversal of 9922531823 is 3281352299.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9922531823 - 2⁴ = 9922531807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9922531813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261119240 + ... + 261119277.

It is an arithmetic number, because the mean of its divisors is an integer number (2611192590).

Almost surely, 2^9922531823 is an apocalyptic number.

9922531823 is a deficient number, since it is larger than the sum of its proper divisors (522238537).

9922531823 is a wasteful number, since it uses less digits than its factorization.

9922531823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522238536.

The product of its digits is 233280, while the sum is 44.

The square root of 9922531823 is about 99611.9060303536. The cubic root of 9922531823 is about 2148.8569242315.

The spelling of 9922531823 in words is "nine billion, nine hundred twenty-two million, five hundred thirty-one thousand, eight hundred twenty-three".