2221002000044 has 12 divisors (see below), whose sum is σ = 3886870491000. Its totient is φ = 1110467574048.

The previous prime is 2221002000043. The next prime is 2221002000101. The reversal of 2221002000044 is 4400002001222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2221001999986 and 2221002000031.

It is not an unprimeable number, because it can be changed into a prime (2221002000043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8206694 + ... + 8473005.

It is an arithmetic number, because the mean of its divisors is an integer number (323905874250).

Almost surely, 2^{2221002000044} is an apocalyptic number.

It is an amenable number.

2221002000044 is a deficient number, since it is larger than the sum of its proper divisors (1665868490956).

2221002000044 is a wasteful number, since it uses less digits than its factorization.

2221002000044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16712992 (or 16712990 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2221002000044 its reverse (4400002001222), we get a palindrome (6621004001266).

The spelling of 2221002000044 in words is "two trillion, two hundred twenty-one billion, two million, forty-four", and thus it is an aban number.