223200949 has 2 divisors, whose sum is σ = 223200950. Its totient is φ = 223200948.

The previous prime is 223200941. The next prime is 223201009. The reversal of 223200949 is 949002322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218832849 + 4368100 = 14793^2 + 2090^2 .

It is a cyclic number.

It is not a de Polignac number, because 223200949 - 2³ = 223200941 is a prime.

It is a super-3 number, since 3×223200949³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223200949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223200941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111600474 + 111600475.

It is an arithmetic number, because the mean of its divisors is an integer number (111600475).

Almost surely, 2^223200949 is an apocalyptic number.

It is an amenable number.

223200949 is a deficient number, since it is larger than the sum of its proper divisors (1).

223200949 is an equidigital number, since it uses as much as digits as its factorization.

223200949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 223200949 is about 14939.9112781837. The cubic root of 223200949 is about 606.5947942804.

The spelling of 223200949 in words is "two hundred twenty-three million, two hundred thousand, nine hundred forty-nine".