2221044340042 has 16 divisors (see below), whose sum is σ = 3634460272800. Its totient is φ = 1009558920240.

The previous prime is 2221044340033. The next prime is 2221044340063. The reversal of 2221044340042 is 2400434401222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4841884 + ... + 5280712.

It is an arithmetic number, because the mean of its divisors is an integer number (227153767050).

Almost surely, 2^{2221044340042} is an apocalyptic number.

2221044340042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2221044340042 is a deficient number, since it is larger than the sum of its proper divisors (1413415932758).

2221044340042 is a wasteful number, since it uses less digits than its factorization.

2221044340042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668901.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 2221044340042 its reverse (2400434401222), we get a palindrome (4621478741264).

The spelling of 2221044340042 in words is "two trillion, two hundred twenty-one billion, forty-four million, three hundred forty thousand, forty-two".