208223001 has 48 divisors (see below), whose sum is σ = 370490880. Its totient is φ = 115123680.

The previous prime is 208222999. The next prime is 208223009. The reversal of 208223001 is 100322802.

It is a happy number.

208223001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 208223001 - 2¹ = 208222999 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 38475 + ... + 43551.

It is an arithmetic number, because the mean of its divisors is an integer number (7718560).

Almost surely, 2^208223001 is an apocalyptic number.

208223001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

208223001 is a deficient number, since it is larger than the sum of its proper divisors (162267879).

208223001 is a wasteful number, since it uses less digits than its factorization.

208223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131 (or 5118 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 208223001 is about 14429.9341994342. The cubic root of 208223001 is about 592.7108815120.

Adding to 208223001 its reverse (100322802), we get a palindrome (308545803).

The spelling of 208223001 in words is "two hundred eight million, two hundred twenty-three thousand, one".