2205404401 has 2 divisors, whose sum is σ = 2205404402. Its totient is φ = 2205404400.

The previous prime is 2205404393. The next prime is 2205404419. The reversal of 2205404401 is 1044045022.

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., 1509711025 + 695693376 = 38855^2 + 26376^2 .

It is a cyclic number.

It is not a de Polignac number, because 2205404401 - 2³ = 2205404393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2205404471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102702200 + 1102702201.

It is an arithmetic number, because the mean of its divisors is an integer number (1102702201).

Almost surely, 2^2205404401 is an apocalyptic number.

It is an amenable number.

2205404401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205404401 is an equidigital number, since it uses as much as digits as its factorization.

2205404401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 2205404401 is about 46961.7333687759. The cubic root of 2205404401 is about 1301.6555635087.

Adding to 2205404401 its reverse (1044045022), we get a palindrome (3249449423).

The spelling of 2205404401 in words is "two billion, two hundred five million, four hundred four thousand, four hundred one".