2223241421 has 2 divisors, whose sum is σ = 2223241422. Its totient is φ = 2223241420.

The previous prime is 2223241409. The next prime is 2223241429. The reversal of 2223241421 is 1241423222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2026260196 + 196981225 = 45014^2 + 14035^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223241421 - 2³⁰ = 1149499597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223241429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111620710 + 1111620711.

It is an arithmetic number, because the mean of its divisors is an integer number (1111620711).

Almost surely, 2^2223241421 is an apocalyptic number.

It is an amenable number.

2223241421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223241421 is an equidigital number, since it uses as much as digits as its factorization.

2223241421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 23.

The square root of 2223241421 is about 47151.2610753944. The cubic root of 2223241421 is about 1305.1553513134.

Adding to 2223241421 its reverse (1241423222), we get a palindrome (3464664643).

The spelling of 2223241421 in words is "two billion, two hundred twenty-three million, two hundred forty-one thousand, four hundred twenty-one".