2222400420444 has 48 divisors (see below), whose sum is σ = 5308274668928. Its totient is φ = 723288823488.

The previous prime is 2222400420437. The next prime is 2222400420467. The reversal of 2222400420444 is 4440240042222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477219 + ... + 2161605.

Almost surely, 2^{2222400420444} is an apocalyptic number.

It is an amenable number.

2222400420444 is an abundant number, since it is smaller than the sum of its proper divisors (3085874248484).

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

2222400420444 is a wasteful number, since it uses less digits than its factorization.

2222400420444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686994 (or 1686992 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 2222400420444 its reverse (4440240042222), we get a palindrome (6662640462666).

The spelling of 2222400420444 in words is "two trillion, two hundred twenty-two billion, four hundred million, four hundred twenty thousand, four hundred forty-four".