1222353211 has 2 divisors, whose sum is σ = 1222353212. Its totient is φ = 1222353210.

The previous prime is 1222353199. The next prime is 1222353229. The reversal of 1222353211 is 1123532221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222353211 - 2⁵ = 1222353179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222353241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611176605 + 611176606.

It is an arithmetic number, because the mean of its divisors is an integer number (611176606).

Almost surely, 2^1222353211 is an apocalyptic number.

1222353211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222353211 is an equidigital number, since it uses as much as digits as its factorization.

1222353211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 1222353211 is about 34962.1682823019. The cubic root of 1222353211 is about 1069.2163041798.

Adding to 1222353211 its reverse (1123532221), we get a palindrome (2345885432).

The spelling of 1222353211 in words is "one billion, two hundred twenty-two million, three hundred fifty-three thousand, two hundred eleven".