206422633 has 2 divisors, whose sum is σ = 206422634. Its totient is φ = 206422632.

The previous prime is 206422613. The next prime is 206422673. The reversal of 206422633 is 336224602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173106649 + 33315984 = 13157^2 + 5772^2 .

It is a cyclic number.

It is not a de Polignac number, because 206422633 - 2²¹ = 204325481 is a prime.

It is a super-2 number, since 2×206422633² = 85220606829305378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (206422603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103211316 + 103211317.

It is an arithmetic number, because the mean of its divisors is an integer number (103211317).

Almost surely, 2^206422633 is an apocalyptic number.

It is an amenable number.

206422633 is a deficient number, since it is larger than the sum of its proper divisors (1).

206422633 is an equidigital number, since it uses as much as digits as its factorization.

206422633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 206422633 is about 14367.4156687972. The cubic root of 206422633 is about 590.9976733064.

The spelling of 206422633 in words is "two hundred six million, four hundred twenty-two thousand, six hundred thirty-three".