919226898 has 24 divisors (see below), whose sum is σ = 1992569436. Its totient is φ = 306268800.

The previous prime is 919226881. The next prime is 919226939. The reversal of 919226898 is 898622919.

It can be written as a sum of positive squares in 2 ways, for example, as 905588649 + 13638249 = 30093^2 + 3693^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33478 + ... + 54398.

Almost surely, 2^919226898 is an apocalyptic number.

919226898 is an abundant number, since it is smaller than the sum of its proper divisors (1073342538).

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

919226898 is a wasteful number, since it uses less digits than its factorization.

919226898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23370 (or 23367 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 919226898 is about 30318.7548886824. The cubic root of 919226898 is about 972.3163185803.

The spelling of 919226898 in words is "nine hundred nineteen million, two hundred twenty-six thousand, eight hundred ninety-eight".