2122522251 has 16 divisors (see below), whose sum is σ = 2847989760. Its totient is φ = 1406059200.

The previous prime is 2122522249. The next prime is 2122522253. The reversal of 2122522251 is 1522252212.

It is an interprime number because it is at equal distance from previous prime (2122522249) and next prime (2122522253).

It is not a de Polignac number, because 2122522251 - 2¹ = 2122522249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122522253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399430 + ... + 404708.

It is an arithmetic number, because the mean of its divisors is an integer number (177999360).

Almost surely, 2^2122522251 is an apocalyptic number.

2122522251 is a deficient number, since it is larger than the sum of its proper divisors (725467509).

2122522251 is a wasteful number, since it uses less digits than its factorization.

2122522251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106.

The product of its digits is 1600, while the sum is 24.

The square root of 2122522251 is about 46070.8394865993. The cubic root of 2122522251 is about 1285.1409154714.

Adding to 2122522251 its reverse (1522252212), we get a palindrome (3644774463).

The spelling of 2122522251 in words is "two billion, one hundred twenty-two million, five hundred twenty-two thousand, two hundred fifty-one".