2223031009 has 2 divisors, whose sum is σ = 2223031010. Its totient is φ = 2223031008.

The previous prime is 2223030977. The next prime is 2223031117. The reversal of 2223031009 is 9001303222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1930723600 + 292307409 = 43940^2 + 17097^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223031009 - 2⁵ = 2223030977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2223038009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111515504 + 1111515505.

It is an arithmetic number, because the mean of its divisors is an integer number (1111515505).

Almost surely, 2^2223031009 is an apocalyptic number.

It is an amenable number.

2223031009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223031009 is an equidigital number, since it uses as much as digits as its factorization.

2223031009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2223031009 is about 47149.0297779286. The cubic root of 2223031009 is about 1305.1141758463.

The spelling of 2223031009 in words is "two billion, two hundred twenty-three million, thirty-one thousand, nine".