4223550197 has 2 divisors, whose sum is σ = 4223550198. Its totient is φ = 4223550196.

The previous prime is 4223550173. The next prime is 4223550209. The reversal of 4223550197 is 7910553224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4220970961 + 2579236 = 64969^2 + 1606^2 .

It is a cyclic number.

It is not a de Polignac number, because 4223550197 - 2²² = 4219355893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4223550197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4223550127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111775098 + 2111775099.

It is an arithmetic number, because the mean of its divisors is an integer number (2111775099).

Almost surely, 2^4223550197 is an apocalyptic number.

It is an amenable number.

4223550197 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223550197 is an equidigital number, since it uses as much as digits as its factorization.

4223550197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 4223550197 is about 64988.8467123398. The cubic root of 4223550197 is about 1616.4386273647.

The spelling of 4223550197 in words is "four billion, two hundred twenty-three million, five hundred fifty thousand, one hundred ninety-seven".