1222122023 has 4 divisors (see below), whose sum is σ = 1222200000. Its totient is φ = 1222044048.

The previous prime is 1222122019. The next prime is 1222122029. The reversal of 1222122023 is 3202212221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1222122023 - 2² = 1222122019 is a prime.

It is a super-2 number, since 2×1222122023² = 2987164478203225058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222121992 and 1222122010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222122029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6398 + ... + 49851.

It is an arithmetic number, because the mean of its divisors is an integer number (305550000).

Almost surely, 2^1222122023 is an apocalyptic number.

1222122023 is a deficient number, since it is larger than the sum of its proper divisors (77977).

1222122023 is an equidigital number, since it uses as much as digits as its factorization.

1222122023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77976.

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

The square root of 1222122023 is about 34958.8618664853. The cubic root of 1222122023 is about 1069.1488917051.

Adding to 1222122023 its reverse (3202212221), we get a palindrome (4424334244).

The spelling of 1222122023 in words is "one billion, two hundred twenty-two million, one hundred twenty-two thousand, twenty-three".