1222233473 has 2 divisors, whose sum is σ = 1222233474. Its totient is φ = 1222233472.

The previous prime is 1222233443. The next prime is 1222233487. The reversal of 1222233473 is 3743322221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1135892209 + 86341264 = 33703^2 + 9292^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222233473 - 2¹⁸ = 1221971329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222233403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611116736 + 611116737.

It is an arithmetic number, because the mean of its divisors is an integer number (611116737).

Almost surely, 2^1222233473 is an apocalyptic number.

It is an amenable number.

1222233473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222233473 is an equidigital number, since it uses as much as digits as its factorization.

1222233473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 29.

The square root of 1222233473 is about 34960.4558465704. The cubic root of 1222233473 is about 1069.1813906482.

Adding to 1222233473 its reverse (3743322221), we get a palindrome (4965555694).

The spelling of 1222233473 in words is "one billion, two hundred twenty-two million, two hundred thirty-three thousand, four hundred seventy-three".