200744221 has 2 divisors, whose sum is σ = 200744222. Its totient is φ = 200744220.

The previous prime is 200744197. The next prime is 200744227. The reversal of 200744221 is 122447002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161544100 + 39200121 = 12710^2 + 6261^2 .

It is a cyclic number.

It is not a de Polignac number, because 200744221 - 2²¹ = 198647069 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 200744192 and 200744201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200744227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100372110 + 100372111.

It is an arithmetic number, because the mean of its divisors is an integer number (100372111).

Almost surely, 2^200744221 is an apocalyptic number.

It is an amenable number.

200744221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200744221 is an equidigital number, since it uses as much as digits as its factorization.

200744221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 200744221 is about 14168.4233773557. The cubic root of 200744221 is about 585.5280215715.

The spelling of 200744221 in words is "two hundred million, seven hundred forty-four thousand, two hundred twenty-one".