25212214 has 16 divisors (see below), whose sum is σ = 38316096. Its totient is φ = 12441600.

The previous prime is 25212193. The next prime is 25212227. The reversal of 25212214 is 41221252.

It is a junction number, because it is equal to n+sod(n) for n = 25212191 and 25212200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92899 + ... + 93169.

It is an arithmetic number, because the mean of its divisors is an integer number (2394756).

Almost surely, 2^25212214 is an apocalyptic number.

25212214 is a deficient number, since it is larger than the sum of its proper divisors (13103882).

25212214 is a wasteful number, since it uses less digits than its factorization.

25212214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711.

The product of its digits is 320, while the sum is 19.

The square root of 25212214 is about 5021.1765553503. The cubic root of 25212214 is about 293.2268004440.

Adding to 25212214 its reverse (41221252), we get a palindrome (66433466).

The spelling of 25212214 in words is "twenty-five million, two hundred twelve thousand, two hundred fourteen".