2220020002444 has 12 divisors (see below), whose sum is σ = 3891862837800. Its totient is φ = 1108059191648.

The previous prime is 2220020002427. The next prime is 2220020002457. The reversal of 2220020002444 is 4442000200222.

It is a happy number.

It is a super-2 number, since 2×2220020002444² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487699834 + ... + 487704385.

It is an arithmetic number, because the mean of its divisors is an integer number (324321903150).

Almost surely, 2^{2220020002444} is an apocalyptic number.

It is an amenable number.

2220020002444 is a deficient number, since it is larger than the sum of its proper divisors (1671842835356).

2220020002444 is a wasteful number, since it uses less digits than its factorization.

2220020002444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975404792 (or 975404790 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 2220020002444 its reverse (4442000200222), we get a palindrome (6662020202666).

The spelling of 2220020002444 in words is "two trillion, two hundred twenty billion, twenty million, two thousand, four hundred forty-four".