699226667 has 2 divisors, whose sum is σ = 699226668. Its totient is φ = 699226666.

The previous prime is 699226639. The next prime is 699226687. The reversal of 699226667 is 766622996.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 699226667 - 2⁶ = 699226603 is a prime.

It is not a weakly prime, because it can be changed into another prime (699226687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349613333 + 349613334.

It is an arithmetic number, because the mean of its divisors is an integer number (349613334).

Almost surely, 2^699226667 is an apocalyptic number.

699226667 is a deficient number, since it is larger than the sum of its proper divisors (1).

699226667 is an equidigital number, since it uses as much as digits as its factorization.

699226667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 53.

The square root of 699226667 is about 26442.8944520073. The cubic root of 699226667 is about 887.5769072281.

The spelling of 699226667 in words is "six hundred ninety-nine million, two hundred twenty-six thousand, six hundred sixty-seven".