1098220112 has 20 divisors (see below), whose sum is σ = 2321238336. Its totient is φ = 499190880.

The previous prime is 1098220069. The next prime is 1098220139. The reversal of 1098220112 is 2110228901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3119768 + ... + 3120119.

Almost surely, 2^1098220112 is an apocalyptic number.

It is an amenable number.

1098220112 is an abundant number, since it is smaller than the sum of its proper divisors (1223018224).

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

1098220112 is a wasteful number, since it uses less digits than its factorization.

1098220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239906 (or 6239900 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 1098220112 is about 33139.4042191467. The cubic root of 1098220112 is about 1031.7230442833.

The spelling of 1098220112 in words is "one billion, ninety-eight million, two hundred twenty thousand, one hundred twelve".