2199628418 has 8 divisors (see below), whose sum is σ = 3553245948. Its totient is φ = 1015213104.

The previous prime is 2199628397. The next prime is 2199628523. The reversal of 2199628418 is 8148269912.

It can be written as a sum of positive squares in 2 ways, for example, as 1797505609 + 402122809 = 42397^2 + 20053^2 .

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

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 42300521 + ... + 42300572.

Almost surely, 2^2199628418 is an apocalyptic number.

2199628418 is a deficient number, since it is larger than the sum of its proper divisors (1353617530).

2199628418 is a wasteful number, since it uses less digits than its factorization.

2199628418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84601108.

The product of its digits is 497664, while the sum is 50.

The square root of 2199628418 is about 46900.1963535335. The cubic root of 2199628418 is about 1300.5182190359.

The spelling of 2199628418 in words is "two billion, one hundred ninety-nine million, six hundred twenty-eight thousand, four hundred eighteen".