25225211 has 8 divisors (see below), whose sum is σ = 27556464. Its totient is φ = 22900320.

The previous prime is 25225201. The next prime is 25225237. The reversal of 25225211 is 11252252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25225211 - 2¹⁸ = 24963067 is a prime.

It is a super-2 number, since 2×25225211² = 1272622539989042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25225201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11261 + ... + 13313.

It is an arithmetic number, because the mean of its divisors is an integer number (3444558).

Almost surely, 2^25225211 is an apocalyptic number.

25225211 is a deficient number, since it is larger than the sum of its proper divisors (2331253).

25225211 is a wasteful number, since it uses less digits than its factorization.

25225211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181.

The product of its digits is 400, while the sum is 20.

The square root of 25225211 is about 5022.4706071813. The cubic root of 25225211 is about 293.2771783288.

Adding to 25225211 its reverse (11252252), we get a palindrome (36477463).

It can be divided in two parts, 252252 and 11, that multiplied together give a palindrome (2774772).

The spelling of 25225211 in words is "twenty-five million, two hundred twenty-five thousand, two hundred eleven".