25722223 has 2 divisors, whose sum is σ = 25722224. Its totient is φ = 25722222.

The previous prime is 25722209. The next prime is 25722227. The reversal of 25722223 is 32222752.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25722223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25722227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12861111 + 12861112.

It is an arithmetic number, because the mean of its divisors is an integer number (12861112).

Almost surely, 2^25722223 is an apocalyptic number.

25722223 is a deficient number, since it is larger than the sum of its proper divisors (1).

25722223 is an equidigital number, since it uses as much as digits as its factorization.

25722223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 25.

The square root of 25722223 is about 5071.7080949124. The cubic root of 25722223 is about 295.1908101944.

Adding to 25722223 its reverse (32222752), we get a palindrome (57944975).

The spelling of 25722223 in words is "twenty-five million, seven hundred twenty-two thousand, two hundred twenty-three".