988139222 has 16 divisors (see below), whose sum is σ = 1709786880. Its totient is φ = 419529768.

The previous prime is 988139221. The next prime is 988139227. The reversal of 988139222 is 222931889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988139221) 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 7 ways as a sum of consecutive naturals, for example, 328322 + ... + 331317.

It is an arithmetic number, because the mean of its divisors is an integer number (106861680).

Almost surely, 2^988139222 is an apocalyptic number.

988139222 is a deficient number, since it is larger than the sum of its proper divisors (721647658).

988139222 is a wasteful number, since it uses less digits than its factorization.

988139222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659755.

The product of its digits is 124416, while the sum is 44.

The square root of 988139222 is about 31434.6818339235. The cubic root of 988139222 is about 996.0306726198.

The spelling of 988139222 in words is "nine hundred eighty-eight million, one hundred thirty-nine thousand, two hundred twenty-two".