22220221927 has 2 divisors, whose sum is σ = 22220221928. Its totient is φ = 22220221926.

The previous prime is 22220221889. The next prime is 22220221957. The reversal of 22220221927 is 72912202222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22220221927 - 2¹⁹ = 22219697639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22220221957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110110963 + 11110110964.

It is an arithmetic number, because the mean of its divisors is an integer number (11110110964).

Almost surely, 2^22220221927 is an apocalyptic number.

22220221927 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220221927 is an equidigital number, since it uses as much as digits as its factorization.

22220221927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 22220221927 in words is "twenty-two billion, two hundred twenty million, two hundred twenty-one thousand, nine hundred twenty-seven".