2194419516 has 48 divisors (see below), whose sum is σ = 5515171200. Its totient is φ = 676855872.

The previous prime is 2194419499. The next prime is 2194419523. The reversal of 2194419516 is 6159144912.

It is a happy 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, 102111 + ... + 121718.

It is an arithmetic number, because the mean of its divisors is an integer number (114899400).

Almost surely, 2^2194419516 is an apocalyptic number.

It is an amenable number.

2194419516 is an abundant number, since it is smaller than the sum of its proper divisors (3320751684).

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

2194419516 is a wasteful number, since it uses less digits than its factorization.

2194419516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223898 (or 223896 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 2194419516 is about 46844.6316668196. The cubic root of 2194419516 is about 1299.4908293962.

The spelling of 2194419516 in words is "two billion, one hundred ninety-four million, four hundred nineteen thousand, five hundred sixteen".