1222212023 has 2 divisors, whose sum is σ = 1222212024. Its totient is φ = 1222212022.

The previous prime is 1222212011. The next prime is 1222212077. The reversal of 1222212023 is 3202122221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222212023 - 2²⁸ = 953776567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222211992 and 1222212010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222212223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611106011 + 611106012.

It is an arithmetic number, because the mean of its divisors is an integer number (611106012).

Almost surely, 2^1222212023 is an apocalyptic number.

1222212023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222212023 is an equidigital number, since it uses as much as digits as its factorization.

1222212023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1222212023 is about 34960.1490700483. The cubic root of 1222212023 is about 1069.1751359580.

Adding to 1222212023 its reverse (3202122221), we get a palindrome (4424334244).

The spelling of 1222212023 in words is "one billion, two hundred twenty-two million, two hundred twelve thousand, twenty-three".