25226236 has 12 divisors (see below), whose sum is σ = 50452528. Its totient is φ = 10811232.

The previous prime is 25226231. The next prime is 25226269. The reversal of 25226236 is 63262252.

25226236 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 900937 = 25226236 / (2 + 5 + 2 + 2 + 6 + 2 + 3 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25226231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450441 + ... + 450496.

Almost surely, 2^25226236 is an apocalyptic number.

It is an amenable number.

25226236 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25226236 is a wasteful number, since it uses less digits than its factorization.

25226236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900948 (or 900946 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 25226236 is about 5022.5726475582. The cubic root of 25226236 is about 293.2811506119.

Adding to 25226236 its reverse (63262252), we get a palindrome (88488488).

The spelling of 25226236 in words is "twenty-five million, two hundred twenty-six thousand, two hundred thirty-six".