2022015221 has 2 divisors, whose sum is σ = 2022015222. Its totient is φ = 2022015220.

The previous prime is 2022015211. The next prime is 2022015277. The reversal of 2022015221 is 1225102202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1990498225 + 31516996 = 44615^2 + 5614^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022015221 - 2⁶ = 2022015157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2022015221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022015211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011007610 + 1011007611.

It is an arithmetic number, because the mean of its divisors is an integer number (1011007611).

Almost surely, 2^2022015221 is an apocalyptic number.

It is an amenable number.

2022015221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022015221 is an equidigital number, since it uses as much as digits as its factorization.

2022015221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2022015221 is about 44966.8235591530. The cubic root of 2022015221 is about 1264.5270972109.

Adding to 2022015221 its reverse (1225102202), we get a palindrome (3247117423).

The spelling of 2022015221 in words is "two billion, twenty-two million, fifteen thousand, two hundred twenty-one".