204222049 has 2 divisors, whose sum is σ = 204222050. Its totient is φ = 204222048.

The previous prime is 204222043. The next prime is 204222059. The reversal of 204222049 is 940222402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202350625 + 1871424 = 14225^2 + 1368^2 .

It is a cyclic number.

It is not a de Polignac number, because 204222049 - 2³ = 204222041 is a prime.

It is not a weakly prime, because it can be changed into another prime (204222041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102111024 + 102111025.

It is an arithmetic number, because the mean of its divisors is an integer number (102111025).

Almost surely, 2^204222049 is an apocalyptic number.

It is an amenable number.

204222049 is a deficient number, since it is larger than the sum of its proper divisors (1).

204222049 is an equidigital number, since it uses as much as digits as its factorization.

204222049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 204222049 is about 14290.6280127922. The cubic root of 204222049 is about 588.8900408993.

The spelling of 204222049 in words is "two hundred four million, two hundred twenty-two thousand, forty-nine".