2223140121425 has 6 divisors (see below), whose sum is σ = 2756693750598. Its totient is φ = 1778512097120.

The previous prime is 2223140121329. The next prime is 2223140121511. The reversal of 2223140121425 is 5241210413222.

It can be written as a sum of positive squares in 3 ways, for example, as 4491144256 + 2218648977169 = 67016^2 + 1489513^2 .

It is not a de Polignac number, because 2223140121425 - 2¹² = 2223140117329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44462802404 + ... + 44462802453.

It is an arithmetic number, because the mean of its divisors is an integer number (459448958433).

Almost surely, 2^{2223140121425} is an apocalyptic number.

2223140121425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2223140121425 is a deficient number, since it is larger than the sum of its proper divisors (533553629173).

2223140121425 is an equidigital number, since it uses as much as digits as its factorization.

2223140121425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88925604867 (or 88925604862 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 2223140121425 its reverse (5241210413222), we get a palindrome (7464350534647).

The spelling of 2223140121425 in words is "two trillion, two hundred twenty-three billion, one hundred forty million, one hundred twenty-one thousand, four hundred twenty-five".