1222005503 has 2 divisors, whose sum is σ = 1222005504. Its totient is φ = 1222005502.

The previous prime is 1222005481. The next prime is 1222005517. The reversal of 1222005503 is 3055002221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222005503 - 2¹⁶ = 1221939967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222005403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611002751 + 611002752.

It is an arithmetic number, because the mean of its divisors is an integer number (611002752).

Almost surely, 2^1222005503 is an apocalyptic number.

1222005503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222005503 is an equidigital number, since it uses as much as digits as its factorization.

1222005503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1222005503 is about 34957.1952965337. The cubic root of 1222005503 is about 1069.1149122318.

Adding to 1222005503 its reverse (3055002221), we get a palindrome (4277007724).

The spelling of 1222005503 in words is "one billion, two hundred twenty-two million, five thousand, five hundred three".