25122230 has 32 divisors (see below), whose sum is σ = 51978240. Its totient is φ = 8563680.

The previous prime is 25122221. The next prime is 25122239. The reversal of 25122230 is 3222152.

It is an interprime number because it is at equal distance from previous prime (25122221) and next prime (25122239).

It is a super-2 number, since 2×25122230² = 1262252880345800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25122199 and 25122208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25122239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12431 + ... + 14309.

It is an arithmetic number, because the mean of its divisors is an integer number (1624320).

Almost surely, 2^25122230 is an apocalyptic number.

25122230 is an abundant number, since it is smaller than the sum of its proper divisors (26856010).

25122230 is a wasteful number, since it uses less digits than its factorization.

25122230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 25122230 is about 5012.2080962386. The cubic root of 25122230 is about 292.8775362134.

Adding to 25122230 its reverse (3222152), we get a palindrome (28344382).

It can be divided in two parts, 25122 and 230, that added together give a palindrome (25352).

The spelling of 25122230 in words is "twenty-five million, one hundred twenty-two thousand, two hundred thirty".