25772227 has 16 divisors (see below), whose sum is σ = 29451520. Its totient is φ = 22356000.

The previous prime is 25772207. The next prime is 25772267. The reversal of 25772227 is 72227752.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25772227 - 2¹¹ = 25770179 is a prime.

It is a super-3 number, since 3×25772227³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25772192 and 25772201.

It is not an unprimeable number, because it can be changed into a prime (25772207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36952 + ... + 37642.

It is an arithmetic number, because the mean of its divisors is an integer number (1840720).

Almost surely, 2^25772227 is an apocalyptic number.

25772227 is a deficient number, since it is larger than the sum of its proper divisors (3679293).

25772227 is a wasteful number, since it uses less digits than its factorization.

25772227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874.

The product of its digits is 27440, while the sum is 34.

The square root of 25772227 is about 5076.6354015233. The cubic root of 25772227 is about 295.3819700155.

Adding to 25772227 its reverse (72227752), we get a palindrome (97999979).

The spelling of 25772227 in words is "twenty-five million, seven hundred seventy-two thousand, two hundred twenty-seven".