2221424023412 has 24 divisors (see below), whose sum is σ = 4244216309760. Its totient is φ = 1008948692160.

The previous prime is 2221424023391. The next prime is 2221424023457. The reversal of 2221424023412 is 2143204241222.

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 7 ways as a sum of consecutive naturals, for example, 19680593 + ... + 19793144.

It is an arithmetic number, because the mean of its divisors is an integer number (176842346240).

Almost surely, 2^{2221424023412} is an apocalyptic number.

2221424023412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2221424023412 is a deficient number, since it is larger than the sum of its proper divisors (2022792286348).

2221424023412 is a wasteful number, since it uses less digits than its factorization.

2221424023412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39475031 (or 39475029 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 2221424023412 its reverse (2143204241222), we get a palindrome (4364628264634).

The spelling of 2221424023412 in words is "two trillion, two hundred twenty-one billion, four hundred twenty-four million, twenty-three thousand, four hundred twelve".