1222872023 has 2 divisors, whose sum is σ = 1222872024. Its totient is φ = 1222872022.

The previous prime is 1222871989. The next prime is 1222872043. The reversal of 1222872023 is 3202782221.

It is a strong prime.

It is an emirp because it is prime and its reverse (3202782221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222872023 - 2⁶ = 1222871959 is a prime.

It is a super-2 number, since 2×1222872023² = 2990831969272225058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222872043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611436011 + 611436012.

It is an arithmetic number, because the mean of its divisors is an integer number (611436012).

Almost surely, 2^1222872023 is an apocalyptic number.

1222872023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222872023 is an equidigital number, since it uses as much as digits as its factorization.

1222872023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 1222872023 is about 34969.5871150919. The cubic root of 1222872023 is about 1069.3675544570.

The spelling of 1222872023 in words is "one billion, two hundred twenty-two million, eight hundred seventy-two thousand, twenty-three".