22023221023 has 4 divisors (see below), whose sum is σ = 22030280608. Its totient is φ = 22016161440.

The previous prime is 22023220927. The next prime is 22023221083. The reversal of 22023221023 is 32012232022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32012232022 = 2 ⋅16006116011.

It is a cyclic number.

It is not a de Polignac number, because 22023221023 - 2¹⁷ = 22023089951 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 (22023221083) 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, 3525111 + ... + 3531352.

It is an arithmetic number, because the mean of its divisors is an integer number (5507570152).

Almost surely, 2^22023221023 is an apocalyptic number.

22023221023 is a deficient number, since it is larger than the sum of its proper divisors (7059585).

22023221023 is an equidigital number, since it uses as much as digits as its factorization.

22023221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7059584.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22023221023 its reverse (32012232022), we get a palindrome (54035453045).

The spelling of 22023221023 in words is "twenty-two billion, twenty-three million, two hundred twenty-one thousand, twenty-three".