22795170221 has 2 divisors, whose sum is σ = 22795170222. Its totient is φ = 22795170220.

The previous prime is 22795170199. The next prime is 22795170241. The reversal of 22795170221 is 12207159722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16164325321 + 6630844900 = 127139^2 + 81430^2 .

It is a cyclic number.

It is not a de Polignac number, because 22795170221 - 2⁶ = 22795170157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22795170241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11397585110 + 11397585111.

It is an arithmetic number, because the mean of its divisors is an integer number (11397585111).

Almost surely, 2^22795170221 is an apocalyptic number.

It is an amenable number.

22795170221 is a deficient number, since it is larger than the sum of its proper divisors (1).

22795170221 is an equidigital number, since it uses as much as digits as its factorization.

22795170221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 22795170221 in words is "twenty-two billion, seven hundred ninety-five million, one hundred seventy thousand, two hundred twenty-one".