22220220021023 has 2 divisors, whose sum is σ = 22220220021024. Its totient is φ = 22220220021022.

The previous prime is 22220220021017. The next prime is 22220220021049. The reversal of 22220220021023 is 32012002202222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22220220021023 - 2⁸ = 22220220020767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22220220020986 and 22220220021004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22220220021523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110110010511 + 11110110010512.

It is an arithmetic number, because the mean of its divisors is an integer number (11110110010512).

Almost surely, 2^{22220220021023} is an apocalyptic number.

22220220021023 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220220021023 is an equidigital number, since it uses as much as digits as its factorization.

22220220021023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22220220021023 its reverse (32012002202222), we get a palindrome (54232222223245).

The spelling of 22220220021023 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty million, twenty-one thousand, twenty-three".