2022213521 has 16 divisors (see below), whose sum is σ = 2174715648. Its totient is φ = 1875667200.

The previous prime is 2022213517. The next prime is 2022213533. The reversal of 2022213521 is 1253122202.

It is a cyclic number.

It is not a de Polignac number, because 2022213521 - 2² = 2022213517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022213493 and 2022213502.

It is not an unprimeable number, because it can be changed into a prime (2022213511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151061 + ... + 163901.

It is an arithmetic number, because the mean of its divisors is an integer number (135919728).

Almost surely, 2^2022213521 is an apocalyptic number.

It is an amenable number.

2022213521 is a deficient number, since it is larger than the sum of its proper divisors (152502127).

2022213521 is a wasteful number, since it uses less digits than its factorization.

2022213521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13072.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2022213521 is about 44969.0284640440. The cubic root of 2022213521 is about 1264.5684334521.

Adding to 2022213521 its reverse (1253122202), we get a palindrome (3275335723).

The spelling of 2022213521 in words is "two billion, twenty-two million, two hundred thirteen thousand, five hundred twenty-one".