2245534134221 has 16 divisors (see below), whose sum is σ = 2618769542400. Its totient is φ = 1924691474160.

The previous prime is 2245534134139. The next prime is 2245534134289. The reversal of 2245534134221 is 1224314355422.

2245534134221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2245534134221 - 2¹⁴ = 2245534117837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245534136221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17968211 + ... + 18092751.

It is an arithmetic number, because the mean of its divisors is an integer number (163673096400).

Almost surely, 2^{2245534134221} is an apocalyptic number.

It is an amenable number.

2245534134221 is a deficient number, since it is larger than the sum of its proper divisors (373235408179).

2245534134221 is an equidigital number, since it uses as much as digits as its factorization.

2245534134221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177129 (or 177115 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

Adding to 2245534134221 its reverse (1224314355422), we get a palindrome (3469848489643).

The spelling of 2245534134221 in words is "two trillion, two hundred forty-five billion, five hundred thirty-four million, one hundred thirty-four thousand, two hundred twenty-one".