224223437 has 2 divisors, whose sum is σ = 224223438. Its totient is φ = 224223436.

The previous prime is 224223431. The next prime is 224223463. The reversal of 224223437 is 734322422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190826596 + 33396841 = 13814^2 + 5779^2 .

It is a cyclic number.

It is not a de Polignac number, because 224223437 - 2¹⁸ = 223961293 is a prime.

It is a super-2 number, since 2×224223437² = 100552299400185938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224223431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112111718 + 112111719.

It is an arithmetic number, because the mean of its divisors is an integer number (112111719).

Almost surely, 2^224223437 is an apocalyptic number.

It is an amenable number.

224223437 is a deficient number, since it is larger than the sum of its proper divisors (1).

224223437 is an equidigital number, since it uses as much as digits as its factorization.

224223437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 29.

The square root of 224223437 is about 14974.0921928510. The cubic root of 224223437 is about 607.5196577267.

Adding to 224223437 its reverse (734322422), we get a palindrome (958545859).

The spelling of 224223437 in words is "two hundred twenty-four million, two hundred twenty-three thousand, four hundred thirty-seven".