2205420361 has 2 divisors, whose sum is σ = 2205420362. Its totient is φ = 2205420360.

The previous prime is 2205420341. The next prime is 2205420367. The reversal of 2205420361 is 1630245022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1484175625 + 721244736 = 38525^2 + 26856^2 .

It is a cyclic number.

It is not a de Polignac number, because 2205420361 - 2⁷ = 2205420233 is a prime.

It is not a weakly prime, because it can be changed into another prime (2205420367) 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, 1102710180 + 1102710181.

It is an arithmetic number, because the mean of its divisors is an integer number (1102710181).

Almost surely, 2^2205420361 is an apocalyptic number.

It is an amenable number.

2205420361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205420361 is an equidigital number, since it uses as much as digits as its factorization.

2205420361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2205420361 is about 46961.9032940531. The cubic root of 2205420361 is about 1301.6587034276.

Adding to 2205420361 its reverse (1630245022), we get a palindrome (3835665383).

The spelling of 2205420361 in words is "two billion, two hundred five million, four hundred twenty thousand, three hundred sixty-one".