4550224207021 has 2 divisors, whose sum is σ = 4550224207022. Its totient is φ = 4550224207020.

The previous prime is 4550224207019. The next prime is 4550224207057. The reversal of 4550224207021 is 1207024220554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3635161692100 + 915062514921 = 1906610^2 + 956589^2 .

It is a cyclic number.

It is not a de Polignac number, because 4550224207021 - 2¹ = 4550224207019 is a prime.

Together with 4550224207019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4550224207621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2275112103510 + 2275112103511.

It is an arithmetic number, because the mean of its divisors is an integer number (2275112103511).

Almost surely, 2^{4550224207021} is an apocalyptic number.

It is an amenable number.

4550224207021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4550224207021 is an equidigital number, since it uses as much as digits as its factorization.

4550224207021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 34.

Adding to 4550224207021 its reverse (1207024220554), we get a palindrome (5757248427575).

The spelling of 4550224207021 in words is "four trillion, five hundred fifty billion, two hundred twenty-four million, two hundred seven thousand, twenty-one".