4222133521 has 2 divisors, whose sum is σ = 4222133522. Its totient is φ = 4222133520.

The previous prime is 4222133491. The next prime is 4222133533. The reversal of 4222133521 is 1253312224.

4222133521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4001195025 + 220938496 = 63255^2 + 14864^2 .

It is a cyclic number.

It is not a de Polignac number, because 4222133521 - 2³¹ = 2074649873 is a prime.

It is a super-2 number, since 2×4222133521² = 35652822938303714882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4222133561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111066760 + 2111066761.

It is an arithmetic number, because the mean of its divisors is an integer number (2111066761).

Almost surely, 2^4222133521 is an apocalyptic number.

It is an amenable number.

4222133521 is a deficient number, since it is larger than the sum of its proper divisors (1).

4222133521 is an equidigital number, since it uses as much as digits as its factorization.

4222133521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 25.

The square root of 4222133521 is about 64977.9464203048. The cubic root of 4222133521 is about 1616.2578769070.

Adding to 4222133521 its reverse (1253312224), we get a palindrome (5475445745).

The spelling of 4222133521 in words is "four billion, two hundred twenty-two million, one hundred thirty-three thousand, five hundred twenty-one".