208022668 has 24 divisors (see below), whose sum is σ = 423898272. Its totient is φ = 87469824.

The previous prime is 208022663. The next prime is 208022669. The reversal of 208022668 is 866220802.

It is a super-3 number, since 3×208022668³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (208022663) 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, 68605 + ... + 71572.

It is an arithmetic number, because the mean of its divisors is an integer number (17662428).

Almost surely, 2^208022668 is an apocalyptic number.

208022668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

208022668 is an abundant number, since it is smaller than the sum of its proper divisors (215875604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208022668 is a wasteful number, since it uses less digits than its factorization.

208022668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140241 (or 140239 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 208022668 is about 14422.9909519489. The cubic root of 208022668 is about 592.5207365730.

The spelling of 208022668 in words is "two hundred eight million, twenty-two thousand, six hundred sixty-eight".