998222126 has 32 divisors (see below), whose sum is σ = 1714825728. Its totient is φ = 431374240.

The previous prime is 998222063. The next prime is 998222161. The reversal of 998222126 is 621222899.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78596 + ... + 90408.

It is an arithmetic number, because the mean of its divisors is an integer number (53588304).

Almost surely, 2^998222126 is an apocalyptic number.

998222126 is a deficient number, since it is larger than the sum of its proper divisors (716603602).

998222126 is a wasteful number, since it uses less digits than its factorization.

998222126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12016.

The product of its digits is 62208, while the sum is 41.

The square root of 998222126 is about 31594.6534400996. The cubic root of 998222126 is about 999.4070237820.

The spelling of 998222126 in words is "nine hundred ninety-eight million, two hundred twenty-two thousand, one hundred twenty-six".