4412424221 has 2 divisors, whose sum is σ = 4412424222. Its totient is φ = 4412424220.

The previous prime is 4412424157. The next prime is 4412424251. The reversal of 4412424221 is 1224242144.

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., 4074268900 + 338155321 = 63830^2 + 18389^2 .

It is a cyclic number.

It is not a de Polignac number, because 4412424221 - 2⁶ = 4412424157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4412424251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2206212110 + 2206212111.

It is an arithmetic number, because the mean of its divisors is an integer number (2206212111).

Almost surely, 2^4412424221 is an apocalyptic number.

It is an amenable number.

4412424221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4412424221 is an equidigital number, since it uses as much as digits as its factorization.

4412424221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4096, while the sum is 26.

The square root of 4412424221 is about 66426.0808794257. The cubic root of 4412424221 is about 1640.1834294385.

Adding to 4412424221 its reverse (1224242144), we get a palindrome (5636666365).

The spelling of 4412424221 in words is "four billion, four hundred twelve million, four hundred twenty-four thousand, two hundred twenty-one".