202213849 has 2 divisors, whose sum is σ = 202213850. Its totient is φ = 202213848.

The previous prime is 202213831. The next prime is 202213859. The reversal of 202213849 is 948312202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200505600 + 1708249 = 14160^2 + 1307^2 .

It is a cyclic number.

It is not a de Polignac number, because 202213849 - 2⁷ = 202213721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202213849.

It is not a weakly prime, because it can be changed into another prime (202213819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101106924 + 101106925.

It is an arithmetic number, because the mean of its divisors is an integer number (101106925).

Almost surely, 2^202213849 is an apocalyptic number.

It is an amenable number.

202213849 is a deficient number, since it is larger than the sum of its proper divisors (1).

202213849 is an equidigital number, since it uses as much as digits as its factorization.

202213849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 202213849 is about 14220.1915950524. The cubic root of 202213849 is about 586.9534125028.

The spelling of 202213849 in words is "two hundred two million, two hundred thirteen thousand, eight hundred forty-nine".