10312222009 has 2 divisors, whose sum is σ = 10312222010. Its totient is φ = 10312222008.

The previous prime is 10312221977. The next prime is 10312222033. The reversal of 10312222009 is 90022221301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10164672400 + 147549609 = 100820^2 + 12147^2 .

It is a cyclic number.

It is not a de Polignac number, because 10312222009 - 2⁵ = 10312221977 is a prime.

It is not a weakly prime, because it can be changed into another prime (10312222069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156111004 + 5156111005.

It is an arithmetic number, because the mean of its divisors is an integer number (5156111005).

Almost surely, 2^10312222009 is an apocalyptic number.

It is an amenable number.

10312222009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10312222009 is an equidigital number, since it uses as much as digits as its factorization.

10312222009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 10312222009 in words is "ten billion, three hundred twelve million, two hundred twenty-two thousand, nine".