9923148226 has 4 divisors (see below), whose sum is σ = 14884722342. Its totient is φ = 4961574112.

The previous prime is 9923148199. The next prime is 9923148229. The reversal of 9923148226 is 6228413299.

It is a Cunningham number, because it is equal to 99615²+1.

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

It can be written as a sum of positive squares in only one way, i.e., 9923148225 + 1 = 99615^2 + 1^2 .

It is not an unprimeable number, because it can be changed into a prime (9923148229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2480787055 + ... + 2480787058.

Almost surely, 2^9923148226 is an apocalyptic number.

9923148226 is a deficient number, since it is larger than the sum of its proper divisors (4961574116).

9923148226 is a wasteful number, since it uses less digits than its factorization.

9923148226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4961574115.

The product of its digits is 373248, while the sum is 46.

The square root of 9923148226 is about 99615.0000050193. Note that the first 5 decimals coincide. The cubic root of 9923148226 is about 2148.9014200803.

The spelling of 9923148226 in words is "nine billion, nine hundred twenty-three million, one hundred forty-eight thousand, two hundred twenty-six".