2222250000521 has 2 divisors, whose sum is σ = 2222250000522. Its totient is φ = 2222250000520.

The previous prime is 2222250000511. The next prime is 2222250000541. The reversal of 2222250000521 is 1250000522222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1612039054921 + 610210945600 = 1269661^2 + 781160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222250000521 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222250000511) 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, 1111125000260 + 1111125000261.

It is an arithmetic number, because the mean of its divisors is an integer number (1111125000261).

Almost surely, 2^{2222250000521} is an apocalyptic number.

It is an amenable number.

2222250000521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222250000521 is an equidigital number, since it uses as much as digits as its factorization.

2222250000521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 2222250000521 its reverse (1250000522222), we get a palindrome (3472250522743).

The spelling of 2222250000521 in words is "two trillion, two hundred twenty-two billion, two hundred fifty million, five hundred twenty-one", and thus it is an aban number.