1222541503 has 4 divisors (see below), whose sum is σ = 1223066520. Its totient is φ = 1222016488.

The previous prime is 1222541483. The next prime is 1222541533. The reversal of 1222541503 is 3051452221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222541503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222541533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259000 + ... + 263677.

It is an arithmetic number, because the mean of its divisors is an integer number (305766630).

Almost surely, 2^1222541503 is an apocalyptic number.

1222541503 is a deficient number, since it is larger than the sum of its proper divisors (525017).

1222541503 is an equidigital number, since it uses as much as digits as its factorization.

1222541503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525016.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1222541503 is about 34964.8609749846. The cubic root of 1222541503 is about 1069.2712022616.

Adding to 1222541503 its reverse (3051452221), we get a palindrome (4273993724).

The spelling of 1222541503 in words is "one billion, two hundred twenty-two million, five hundred forty-one thousand, five hundred three".