2221980442 has 8 divisors (see below), whose sum is σ = 3635968032. Its totient is φ = 1009991100.

The previous prime is 2221980433. The next prime is 2221980451. The reversal of 2221980442 is 2440891222.

It is an interprime number because it is at equal distance from previous prime (2221980433) and next prime (2221980451).

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

It is a junction number, because it is equal to n+sod(n) for n = 2221980398 and 2221980407.

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, 50499534 + ... + 50499577.

It is an arithmetic number, because the mean of its divisors is an integer number (454496004).

Almost surely, 2^2221980442 is an apocalyptic number.

2221980442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2221980442 is a deficient number, since it is larger than the sum of its proper divisors (1413987590).

2221980442 is a wasteful number, since it uses less digits than its factorization.

2221980442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100999124.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 2221980442 is about 47137.8875428248. The cubic root of 2221980442 is about 1304.9085517947.

The spelling of 2221980442 in words is "two billion, two hundred twenty-one million, nine hundred eighty thousand, four hundred forty-two".