25224223 has 2 divisors, whose sum is σ = 25224224. Its totient is φ = 25224222.

The previous prime is 25224217. The next prime is 25224233. The reversal of 25224223 is 32242252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25224223 - 2⁹ = 25223711 is a prime.

It is a super-2 number, since 2×25224223² = 1272522851907458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25224194 and 25224203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25224203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12612111 + 12612112.

It is an arithmetic number, because the mean of its divisors is an integer number (12612112).

Almost surely, 2^25224223 is an apocalyptic number.

25224223 is a deficient number, since it is larger than the sum of its proper divisors (1).

25224223 is an equidigital number, since it uses as much as digits as its factorization.

25224223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 22.

The square root of 25224223 is about 5022.3722482508. The cubic root of 25224223 is about 293.2733493336.

Adding to 25224223 its reverse (32242252), we get a palindrome (57466475).

It can be divided in two parts, 2 and 5224223, that added together give a palindrome (5224225).

The spelling of 25224223 in words is "twenty-five million, two hundred twenty-four thousand, two hundred twenty-three".