2302215121 has 2 divisors, whose sum is σ = 2302215122. Its totient is φ = 2302215120.

The previous prime is 2302215101. The next prime is 2302215127. The reversal of 2302215121 is 1215122032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2233507600 + 68707521 = 47260^2 + 8289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2302215121 - 2²⁵ = 2268660689 is a prime.

It is a super-2 number, since 2×2302215121² = 10600388926722089282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2302215127) 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 as a sum of consecutive naturals, namely, 1151107560 + 1151107561.

It is an arithmetic number, because the mean of its divisors is an integer number (1151107561).

Almost surely, 2^2302215121 is an apocalyptic number.

It is an amenable number.

2302215121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2302215121 is an equidigital number, since it uses as much as digits as its factorization.

2302215121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2302215121 is about 47981.4039081809. The cubic root of 2302215121 is about 1320.4297500703.

Adding to 2302215121 its reverse (1215122032), we get a palindrome (3517337153).

The spelling of 2302215121 in words is "two billion, three hundred two million, two hundred fifteen thousand, one hundred twenty-one".