9955138922 has 8 divisors (see below), whose sum is σ = 14933144772. Its totient is φ = 4977424000.

The previous prime is 9955138913. The next prime is 9955138927. The reversal of 9955138922 is 2298315599.

9955138922 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9724129321 + 231009601 = 98611^2 + 15199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9955138927) 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 in 3 ways as a sum of consecutive naturals, for example, 64922 + ... + 155322.

Almost surely, 2^9955138922 is an apocalyptic number.

9955138922 is a deficient number, since it is larger than the sum of its proper divisors (4978005850).

9955138922 is a wasteful number, since it uses less digits than its factorization.

9955138922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145464.

The product of its digits is 1749600, while the sum is 53.

The square root of 9955138922 is about 99775.4424796002. The cubic root of 9955138922 is about 2151.2081849721.

It can be divided in two parts, 9955 and 138922, that added together give a cube (148877 = 53³).

The spelling of 9955138922 in words is "nine billion, nine hundred fifty-five million, one hundred thirty-eight thousand, nine hundred twenty-two".