25223105 has 16 divisors (see below), whose sum is σ = 30927744. Its totient is φ = 19743360.

The previous prime is 25223101. The next prime is 25223113. The reversal of 25223105 is 50132252.

It is not a de Polignac number, because 25223105 - 2² = 25223101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25223101) 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, 80429 + ... + 80741.

It is an arithmetic number, because the mean of its divisors is an integer number (1932984).

Almost surely, 2^25223105 is an apocalyptic number.

It is an amenable number.

25223105 is a deficient number, since it is larger than the sum of its proper divisors (5704639).

25223105 is a wasteful number, since it uses less digits than its factorization.

25223105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 25223105 is about 5022.2609450326. The cubic root of 25223105 is about 293.2690164027.

Adding to 25223105 its reverse (50132252), we get a palindrome (75355357).

The spelling of 25223105 in words is "twenty-five million, two hundred twenty-three thousand, one hundred five".