208223069 has 8 divisors (see below), whose sum is σ = 211603488. Its totient is φ = 204850800.

The previous prime is 208223047. The next prime is 208223077. The reversal of 208223069 is 960322802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 208223069 - 2¹² = 208218973 is a prime.

It is a super-2 number, since 2×208223069² = 86713692927557522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208223009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68939 + ... + 71895.

It is an arithmetic number, because the mean of its divisors is an integer number (26450436).

Almost surely, 2^208223069 is an apocalyptic number.

It is an amenable number.

208223069 is a deficient number, since it is larger than the sum of its proper divisors (3380419).

208223069 is a wasteful number, since it uses less digits than its factorization.

208223069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 208223069 is about 14429.9365556471. The cubic root of 208223069 is about 592.7109460331.

The spelling of 208223069 in words is "two hundred eight million, two hundred twenty-three thousand, sixty-nine".