208022929 has 3 divisors (see below), whose sum is σ = 208037353. Its totient is φ = 208008506.

The previous prime is 208022921. The next prime is 208022939. The reversal of 208022929 is 929220802.

The square root of 208022929 is 14423.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 208022929 - 2³ = 208022921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 208022894 and 208022903.

It is not an unprimeable number, because it can be changed into a prime (208022921) 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 in 2 ways as a sum of consecutive naturals, for example, 7212 + ... + 21634.

Almost surely, 2^208022929 is an apocalyptic number.

208022929 is the 14423-rd square number.

208022929 is the 7212-nd centered octagonal number.

It is an amenable number.

208022929 is a deficient number, since it is larger than the sum of its proper divisors (14424).

208022929 is an frugal number, since it uses more digits than its factorization.

208022929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28846 (or 14423 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The cubic root of 208022929 is about 592.5209843791.

The spelling of 208022929 in words is "two hundred eight million, twenty-two thousand, nine hundred twenty-nine".