4205223461 has 2 divisors, whose sum is σ = 4205223462. Its totient is φ = 4205223460.

The previous prime is 4205223397. The next prime is 4205223481. The reversal of 4205223461 is 1643225024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3708201025 + 497022436 = 60895^2 + 22294^2 .

It is a cyclic number.

It is not a de Polignac number, because 4205223461 - 2⁶ = 4205223397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4205223481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2102611730 + 2102611731.

It is an arithmetic number, because the mean of its divisors is an integer number (2102611731).

Almost surely, 2^4205223461 is an apocalyptic number.

It is an amenable number.

4205223461 is a deficient number, since it is larger than the sum of its proper divisors (1).

4205223461 is an equidigital number, since it uses as much as digits as its factorization.

4205223461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 4205223461 is about 64847.6943383495. The cubic root of 4205223461 is about 1614.0972325513.

Adding to 4205223461 its reverse (1643225024), we get a palindrome (5848448485).

The spelling of 4205223461 in words is "four billion, two hundred five million, two hundred twenty-three thousand, four hundred sixty-one".