208222331 has 2 divisors, whose sum is σ = 208222332. Its totient is φ = 208222330.

The previous prime is 208222303. The next prime is 208222337. The reversal of 208222331 is 133222802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 208222331 - 2¹⁴ = 208205947 is a prime.

It is a super-2 number, since 2×208222331² = 86713078254147122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 208222297 and 208222306.

It is not a weakly prime, because it can be changed into another prime (208222337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104111165 + 104111166.

It is an arithmetic number, because the mean of its divisors is an integer number (104111166).

Almost surely, 2^208222331 is an apocalyptic number.

208222331 is a deficient number, since it is larger than the sum of its proper divisors (1).

208222331 is an equidigital number, since it uses as much as digits as its factorization.

208222331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 208222331 is about 14429.9109837864. The cubic root of 208222331 is about 592.7102457886.

The spelling of 208222331 in words is "two hundred eight million, two hundred twenty-two thousand, three hundred thirty-one".