2223140444221 has 4 divisors (see below), whose sum is σ = 2223534693600. Its totient is φ = 2222746194844.

The previous prime is 2223140444177. The next prime is 2223140444237. The reversal of 2223140444221 is 1224440413222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2223140444221 - 2¹³ = 2223140436029 is a prime.

It is a super-2 number, since 2×2223140444221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223140454221) 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, 197116231 + ... + 197127508.

It is an arithmetic number, because the mean of its divisors is an integer number (555883673400).

Almost surely, 2^{2223140444221} is an apocalyptic number.

It is an amenable number.

2223140444221 is a deficient number, since it is larger than the sum of its proper divisors (394249379).

2223140444221 is an equidigital number, since it uses as much as digits as its factorization.

2223140444221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394249378.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 2223140444221 its reverse (1224440413222), we get a palindrome (3447580857443).

The spelling of 2223140444221 in words is "two trillion, two hundred twenty-three billion, one hundred forty million, four hundred forty-four thousand, two hundred twenty-one".