1222353229 has 2 divisors, whose sum is σ = 1222353230. Its totient is φ = 1222353228.

The previous prime is 1222353211. The next prime is 1222353233. The reversal of 1222353229 is 9223532221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 992376004 + 229977225 = 31502^2 + 15165^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222353229 - 2¹³ = 1222345037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222353229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222350229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611176614 + 611176615.

It is an arithmetic number, because the mean of its divisors is an integer number (611176615).

Almost surely, 2^1222353229 is an apocalyptic number.

It is an amenable number.

1222353229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222353229 is an equidigital number, since it uses as much as digits as its factorization.

1222353229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 1222353229 is about 34962.1685397230. The cubic root of 1222353229 is about 1069.2163094281.

The spelling of 1222353229 in words is "one billion, two hundred twenty-two million, three hundred fifty-three thousand, two hundred twenty-nine".