2198446090 has 8 divisors (see below), whose sum is σ = 3957202980. Its totient is φ = 879378432.

The previous prime is 2198446087. The next prime is 2198446147. The reversal of 2198446090 is 906448912.

It can be written as a sum of positive squares in 2 ways, for example, as 2051818209 + 146627881 = 45297^2 + 12109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109922295 + ... + 109922314.

Almost surely, 2^2198446090 is an apocalyptic number.

2198446090 is a deficient number, since it is larger than the sum of its proper divisors (1758756890).

2198446090 is a wasteful number, since it uses less digits than its factorization.

2198446090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219844616.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 2198446090 is about 46887.5899359308. The cubic root of 2198446090 is about 1300.2851622955.

The spelling of 2198446090 in words is "two billion, one hundred ninety-eight million, four hundred forty-six thousand, ninety".