2202120523 has 2 divisors, whose sum is σ = 2202120524. Its totient is φ = 2202120522.

The previous prime is 2202120511. The next prime is 2202120541. The reversal of 2202120523 is 3250212022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2202120523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2202120523.

It is not a weakly prime, because it can be changed into another prime (2202120553) 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, 1101060261 + 1101060262.

It is an arithmetic number, because the mean of its divisors is an integer number (1101060262).

Almost surely, 2^2202120523 is an apocalyptic number.

2202120523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202120523 is an equidigital number, since it uses as much as digits as its factorization.

2202120523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2202120523 is about 46926.7570049327. The cubic root of 2202120523 is about 1301.0091814651.

Adding to 2202120523 its reverse (3250212022), we get a palindrome (5452332545).

The spelling of 2202120523 in words is "two billion, two hundred two million, one hundred twenty thousand, five hundred twenty-three".