2122894384 has 40 divisors (see below), whose sum is σ = 4572401792. Its totient is φ = 948188160.

The previous prime is 2122894381. The next prime is 2122894439. The reversal of 2122894384 is 4834982212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122894384.

It is not an unprimeable number, because it can be changed into a prime (2122894381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158169 + ... + 171064.

Almost surely, 2^2122894384 is an apocalyptic number.

It is an amenable number.

2122894384 is an abundant number, since it is smaller than the sum of its proper divisors (2449507408).

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

2122894384 is a wasteful number, since it uses less digits than its factorization.

2122894384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329285 (or 329279 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 2122894384 is about 46074.8780139460. The cubic root of 2122894384 is about 1285.2160172200.

The spelling of 2122894384 in words is "two billion, one hundred twenty-two million, eight hundred ninety-four thousand, three hundred eighty-four".