22220000923 has 2 divisors, whose sum is σ = 22220000924. Its totient is φ = 22220000922.

The previous prime is 22220000917. The next prime is 22220000939. The reversal of 22220000923 is 32900002222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22220000923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22220000894 and 22220000903.

It is not a weakly prime, because it can be changed into another prime (22220000983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110000461 + 11110000462.

It is an arithmetic number, because the mean of its divisors is an integer number (11110000462).

Almost surely, 2^22220000923 is an apocalyptic number.

22220000923 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220000923 is an equidigital number, since it uses as much as digits as its factorization.

22220000923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The spelling of 22220000923 in words is "twenty-two billion, two hundred twenty million, nine hundred twenty-three", and thus it is an aban number.