16622933 has 2 divisors, whose sum is σ = 16622934. Its totient is φ = 16622932.

The previous prime is 16622899. The next prime is 16622939. The reversal of 16622933 is 33922661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15816529 + 806404 = 3977^2 + 898^2 .

It is a cyclic number.

It is not a de Polignac number, because 16622933 - 2⁸ = 16622677 is a prime.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 16622933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16622939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8311466 + 8311467.

It is an arithmetic number, because the mean of its divisors is an integer number (8311467).

Almost surely, 2^16622933 is an apocalyptic number.

It is an amenable number.

16622933 is a deficient number, since it is larger than the sum of its proper divisors (1).

16622933 is an equidigital number, since it uses as much as digits as its factorization.

16622933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 32.

The square root of 16622933 is about 4077.1231278930. The cubic root of 16622933 is about 255.2128582814.

The spelling of 16622933 in words is "sixteen million, six hundred twenty-two thousand, nine hundred thirty-three".