2221330402242 has 24 divisors (see below), whose sum is σ = 5500437186816. Its totient is φ = 634665829176.

The previous prime is 2221330402241. The next prime is 2221330402273. The reversal of 2221330402242 is 2422040331222.

2221330402242 is a `hidden beast` number, since 2 + 2 + 2 + 13 + 3 + 0 + 402 + 242 = 666.

It is not an unprimeable number, because it can be changed into a prime (2221330402241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8814803058 + ... + 8814803309.

It is an arithmetic number, because the mean of its divisors is an integer number (229184882784).

Almost surely, 2^{2221330402242} is an apocalyptic number.

2221330402242 is an abundant number, since it is smaller than the sum of its proper divisors (3279106784574).

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

2221330402242 is a wasteful number, since it uses less digits than its factorization.

2221330402242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17629606382 (or 17629606379 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 2221330402242 its reverse (2422040331222), we get a palindrome (4643370733464).

The spelling of 2221330402242 in words is "two trillion, two hundred twenty-one billion, three hundred thirty million, four hundred two thousand, two hundred forty-two".