222122321009 has 2 divisors, whose sum is σ = 222122321010. Its totient is φ = 222122321008.

The previous prime is 222122320993. The next prime is 222122321027. The reversal of 222122321009 is 900123221222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218930410000 + 3191911009 = 467900^2 + 56497^2 .

It is a cyclic number.

It is not a de Polignac number, because 222122321009 - 2⁴ = 222122320993 is a prime.

It is not a weakly prime, because it can be changed into another prime (222122321209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061160504 + 111061160505.

It is an arithmetic number, because the mean of its divisors is an integer number (111061160505).

Almost surely, 2^222122321009 is an apocalyptic number.

It is an amenable number.

222122321009 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122321009 is an equidigital number, since it uses as much as digits as its factorization.

222122321009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 222122321009 in words is "two hundred twenty-two billion, one hundred twenty-two million, three hundred twenty-one thousand, nine".