1222133023 has 4 divisors (see below), whose sum is σ = 1231053840. Its totient is φ = 1213212208.

The previous prime is 1222132999. The next prime is 1222133039. The reversal of 1222133023 is 3203312221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3203312221 = 179 ⋅17895599.

It is a cyclic number.

It is not a de Polignac number, because 1222133023 - 2²⁹ = 685262111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222133053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4460203 + ... + 4460476.

It is an arithmetic number, because the mean of its divisors is an integer number (307763460).

Almost surely, 2^1222133023 is an apocalyptic number.

1222133023 is a deficient number, since it is larger than the sum of its proper divisors (8920817).

1222133023 is an equidigital number, since it uses as much as digits as its factorization.

1222133023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8920816.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1222133023 is about 34959.0191939076. The cubic root of 1222133023 is about 1069.1520994052.

Adding to 1222133023 its reverse (3203312221), we get a palindrome (4425445244).

It can be divided in two parts, 122 and 2133023, that added together give a triangular number (2133145 = T₂₀₆₅).

The spelling of 1222133023 in words is "one billion, two hundred twenty-two million, one hundred thirty-three thousand, twenty-three".