1222211303 has 2 divisors, whose sum is σ = 1222211304. Its totient is φ = 1222211302.

The previous prime is 1222211299. The next prime is 1222211371. The reversal of 1222211303 is 3031122221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222211303 - 2² = 1222211299 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222211383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611105651 + 611105652.

It is an arithmetic number, because the mean of its divisors is an integer number (611105652).

Almost surely, 2^1222211303 is an apocalyptic number.

1222211303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222211303 is an equidigital number, since it uses as much as digits as its factorization.

1222211303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1222211303 is about 34960.1387726079. The cubic root of 1222211303 is about 1069.1749260091.

Adding to 1222211303 its reverse (3031122221), we get a palindrome (4253333524).

The spelling of 1222211303 in words is "one billion, two hundred twenty-two million, two hundred eleven thousand, three hundred three".