1222452523 has 2 divisors, whose sum is σ = 1222452524. Its totient is φ = 1222452522.

The previous prime is 1222452503. The next prime is 1222452527. The reversal of 1222452523 is 3252542221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222452523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222452491 and 1222452500.

It is not a weakly prime, because it can be changed into another prime (1222452527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611226261 + 611226262.

It is an arithmetic number, because the mean of its divisors is an integer number (611226262).

Almost surely, 2^1222452523 is an apocalyptic number.

1222452523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222452523 is an equidigital number, since it uses as much as digits as its factorization.

1222452523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 28.

The square root of 1222452523 is about 34963.5885314995. The cubic root of 1222452523 is about 1069.2452601130.

Adding to 1222452523 its reverse (3252542221), we get a palindrome (4474994744).

The spelling of 1222452523 in words is "one billion, two hundred twenty-two million, four hundred fifty-two thousand, five hundred twenty-three".