25222535 has 16 divisors (see below), whose sum is σ = 32798304. Its totient is φ = 18509952.

The previous prime is 25222529. The next prime is 25222573. The reversal of 25222535 is 53522252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25222535 - 2⁶ = 25222471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10124 + ... + 12366.

It is an arithmetic number, because the mean of its divisors is an integer number (2049894).

Almost surely, 2^25222535 is an apocalyptic number.

25222535 is a deficient number, since it is larger than the sum of its proper divisors (7575769).

25222535 is a wasteful number, since it uses less digits than its factorization.

25222535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434.

The product of its digits is 6000, while the sum is 26.

The square root of 25222535 is about 5022.2041973620. The cubic root of 25222535 is about 293.2668072562.

Adding to 25222535 its reverse (53522252), we get a palindrome (78744787).

The spelling of 25222535 in words is "twenty-five million, two hundred twenty-two thousand, five hundred thirty-five".