25022241 has 12 divisors (see below), whose sum is σ = 36277332. Its totient is φ = 16619616.

The previous prime is 25022233. The next prime is 25022267. The reversal of 25022241 is 14222052.

It can be written as a sum of positive squares in 2 ways, for example, as 6230016 + 18792225 = 2496^2 + 4335^2 .

It is not a de Polignac number, because 25022241 - 2³ = 25022233 is a prime.

It is a super-2 number, since 2×25022241² = 1252225089324162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25012241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2526 + ... + 7511.

It is an arithmetic number, because the mean of its divisors is an integer number (3023111).

Almost surely, 2^25022241 is an apocalyptic number.

It is an amenable number.

25022241 is a deficient number, since it is larger than the sum of its proper divisors (11255091).

25022241 is a wasteful number, since it uses less digits than its factorization.

25022241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10320 (or 10317 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 25022241 is about 5002.2236055578. The cubic root of 25022241 is about 292.4884588916.

Adding to 25022241 its reverse (14222052), we get a palindrome (39244293).

The spelling of 25022241 in words is "twenty-five million, twenty-two thousand, two hundred forty-one".