981228488322 has 16 divisors (see below), whose sum is σ = 1962688855392. Its totient is φ = 327037516320.

The previous prime is 981228488309. The next prime is 981228488327. The reversal of 981228488322 is 223884822189.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (981228488327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9606579 + ... + 9708182.

It is an arithmetic number, because the mean of its divisors is an integer number (122668053462).

Almost surely, 2^981228488322 is an apocalyptic number.

981228488322 is an abundant number, since it is smaller than the sum of its proper divisors (981460367070).

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

981228488322 is a wasteful number, since it uses less digits than its factorization.

981228488322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19323233.

The product of its digits is 7077888, while the sum is 57.

The spelling of 981228488322 in words is "nine hundred eighty-one billion, two hundred twenty-eight million, four hundred eighty-eight thousand, three hundred twenty-two".