2199858378 has 32 divisors (see below), whose sum is σ = 4660939584. Its totient is φ = 689793792.

The previous prime is 2199858329. The next prime is 2199858389. The reversal of 2199858378 is 8738589912.

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, 248301 + ... + 257007.

It is an arithmetic number, because the mean of its divisors is an integer number (145654362).

Almost surely, 2^2199858378 is an apocalyptic number.

2199858378 is an abundant number, since it is smaller than the sum of its proper divisors (2461081206).

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

2199858378 is a wasteful number, since it uses less digits than its factorization.

2199858378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11206.

The product of its digits is 8709120, while the sum is 60.

The square root of 2199858378 is about 46902.6478783448. The cubic root of 2199858378 is about 1300.5635383189.

The spelling of 2199858378 in words is "two billion, one hundred ninety-nine million, eight hundred fifty-eight thousand, three hundred seventy-eight".