220323007 has 2 divisors, whose sum is σ = 220323008. Its totient is φ = 220323006.

The previous prime is 220322909. The next prime is 220323017. The reversal of 220323007 is 700323022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220323007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220323017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110161503 + 110161504.

It is an arithmetic number, because the mean of its divisors is an integer number (110161504).

Almost surely, 2^220323007 is an apocalyptic number.

220323007 is a deficient number, since it is larger than the sum of its proper divisors (1).

220323007 is an equidigital number, since it uses as much as digits as its factorization.

220323007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 220323007 is about 14843.2815441869. The cubic root of 220323007 is about 603.9763734673.

Adding to 220323007 its reverse (700323022), we get a palindrome (920646029).

The spelling of 220323007 in words is "two hundred twenty million, three hundred twenty-three thousand, seven".