4521022122245 has 4 divisors (see below), whose sum is σ = 5425226546700. Its totient is φ = 3616817697792.

The previous prime is 4521022122203. The next prime is 4521022122271. The reversal of 4521022122245 is 5422212201254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1434205041889 + 3086817080356 = 1197583^2 + 1756934^2 .

It is a cyclic number.

It is not a de Polignac number, because 4521022122245 - 2¹⁰ = 4521022121221 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 452102212220 + ... + 452102212229.

It is an arithmetic number, because the mean of its divisors is an integer number (1356306636675).

Almost surely, 2^{4521022122245} is an apocalyptic number.

It is an amenable number.

4521022122245 is a deficient number, since it is larger than the sum of its proper divisors (904204424455).

4521022122245 is an equidigital number, since it uses as much as digits as its factorization.

4521022122245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904204424454.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 4521022122245 its reverse (5422212201254), we get a palindrome (9943234323499).

The spelling of 4521022122245 in words is "four trillion, five hundred twenty-one billion, twenty-two million, one hundred twenty-two thousand, two hundred forty-five".