25022443 has 2 divisors, whose sum is σ = 25022444. Its totient is φ = 25022442.

The previous prime is 25022407. The next prime is 25022477. The reversal of 25022443 is 34422052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25022443 - 2²¹ = 22925291 is a prime.

It is a super-2 number, since 2×25022443² = 1252245307376498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25022483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12511221 + 12511222.

It is an arithmetic number, because the mean of its divisors is an integer number (12511222).

Almost surely, 2^25022443 is an apocalyptic number.

25022443 is a deficient number, since it is larger than the sum of its proper divisors (1).

25022443 is an equidigital number, since it uses as much as digits as its factorization.

25022443 is an odious number, because the sum of its binary digits is odd.

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

The square root of 25022443 is about 5002.2437965377. The cubic root of 25022443 is about 292.4892459581.

Adding to 25022443 its reverse (34422052), we get a palindrome (59444495).

The spelling of 25022443 in words is "twenty-five million, twenty-two thousand, four hundred forty-three".