1222633723 has 2 divisors, whose sum is σ = 1222633724. Its totient is φ = 1222633722.

The previous prime is 1222633691. The next prime is 1222633739. The reversal of 1222633723 is 3273362221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222633723 - 2⁵ = 1222633691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222630723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611316861 + 611316862.

It is an arithmetic number, because the mean of its divisors is an integer number (611316862).

Almost surely, 2^1222633723 is an apocalyptic number.

1222633723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222633723 is an equidigital number, since it uses as much as digits as its factorization.

1222633723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 31.

The square root of 1222633723 is about 34966.1797026784. The cubic root of 1222633723 is about 1069.2980877050.

Adding to 1222633723 its reverse (3273362221), we get a palindrome (4495995944).

The spelling of 1222633723 in words is "one billion, two hundred twenty-two million, six hundred thirty-three thousand, seven hundred twenty-three".