699223001 has 2 divisors, whose sum is σ = 699223002. Its totient is φ = 699223000.

The previous prime is 699222961. The next prime is 699223013. The reversal of 699223001 is 100322996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 654131776 + 45091225 = 25576^2 + 6715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-699223001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (699223601) 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, 349611500 + 349611501.

It is an arithmetic number, because the mean of its divisors is an integer number (349611501).

Almost surely, 2^699223001 is an apocalyptic number.

It is an amenable number.

699223001 is a deficient number, since it is larger than the sum of its proper divisors (1).

699223001 is an equidigital number, since it uses as much as digits as its factorization.

699223001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 699223001 is about 26442.8251327274. The cubic root of 699223001 is about 887.5753560560.

Adding to 699223001 its reverse (100322996), we get a palindrome (799545997).

The spelling of 699223001 in words is "six hundred ninety-nine million, two hundred twenty-three thousand, one".