22144221210013 has 32 divisors (see below), whose sum is σ = 25942303641600. Its totient is φ = 18894106733040.

The previous prime is 22144221209989. The next prime is 22144221210019. The reversal of 22144221210013 is 31001212244122.

It is not a de Polignac number, because 22144221210013 - 2¹³ = 22144221201821 is a prime.

It is a super-2 number, since 2×22144221210013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22144221210013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144221210019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73305120 + ... + 73606582.

It is an arithmetic number, because the mean of its divisors is an integer number (810696988800).

Almost surely, 2^{22144221210013} is an apocalyptic number.

It is an amenable number.

22144221210013 is a deficient number, since it is larger than the sum of its proper divisors (3798082431587).

22144221210013 is an equidigital number, since it uses as much as digits as its factorization.

22144221210013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302462 (or 302448 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 22144221210013 its reverse (31001212244122), we get a palindrome (53145433454135).

The spelling of 22144221210013 in words is "twenty-two trillion, one hundred forty-four billion, two hundred twenty-one million, two hundred ten thousand, thirteen".