988226911 has 4 divisors (see below), whose sum is σ = 1129402192. Its totient is φ = 847051632.

The previous prime is 988226887. The next prime is 988226929. The reversal of 988226911 is 119622889.

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

It is not a de Polignac number, because 988226911 - 2⁹ = 988226399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988226111) 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, 70587630 + ... + 70587643.

It is an arithmetic number, because the mean of its divisors is an integer number (282350548).

Almost surely, 2^988226911 is an apocalyptic number.

988226911 is a deficient number, since it is larger than the sum of its proper divisors (141175281).

988226911 is a wasteful number, since it uses less digits than its factorization.

988226911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141175280.

The product of its digits is 124416, while the sum is 46.

The square root of 988226911 is about 31436.0765840777. The cubic root of 988226911 is about 996.0601348482.

The spelling of 988226911 in words is "nine hundred eighty-eight million, two hundred twenty-six thousand, nine hundred eleven".