2022102521 has 2 divisors, whose sum is σ = 2022102522. Its totient is φ = 2022102520.

The previous prime is 2022102499. The next prime is 2022102529. The reversal of 2022102521 is 1252012202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1329623296 + 692479225 = 36464^2 + 26315^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022102521 - 2¹⁸ = 2021840377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2022102521.

It is not a weakly prime, because it can be changed into another prime (2022102529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011051260 + 1011051261.

It is an arithmetic number, because the mean of its divisors is an integer number (1011051261).

Almost surely, 2^2022102521 is an apocalyptic number.

It is an amenable number.

2022102521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022102521 is an equidigital number, since it uses as much as digits as its factorization.

2022102521 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 2022102521 is about 44967.7942643399. The cubic root of 2022102521 is about 1264.5452954958.

Adding to 2022102521 its reverse (1252012202), we get a palindrome (3274114723).

The spelling of 2022102521 in words is "two billion, twenty-two million, one hundred two thousand, five hundred twenty-one".