981275922 has 48 divisors (see below), whose sum is σ = 2394213120. Its totient is φ = 287762400.

The previous prime is 981275909. The next prime is 981275941. The reversal of 981275922 is 229572189.

It is a happy number.

981275922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73797 + ... + 86072.

It is an arithmetic number, because the mean of its divisors is an integer number (49879440).

Almost surely, 2^981275922 is an apocalyptic number.

981275922 is an abundant number, since it is smaller than the sum of its proper divisors (1412937198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

981275922 is a wasteful number, since it uses less digits than its factorization.

981275922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159919 (or 159916 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 981275922 is about 31325.3239727860. The cubic root of 981275922 is about 993.7192757559.

The spelling of 981275922 in words is "nine hundred eighty-one million, two hundred seventy-five thousand, nine hundred twenty-two".