25430122 has 8 divisors (see below), whose sum is σ = 38345472. Its totient is φ = 12648300.

The previous prime is 25430117. The next prime is 25430123. The reversal of 25430122 is 22103452.

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

It is a super-2 number, since 2×25430122² = 1293382209869768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25430122.

It is not an unprimeable number, because it can be changed into a prime (25430123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32904 + ... + 33667.

It is an arithmetic number, because the mean of its divisors is an integer number (4793184).

Almost surely, 2^25430122 is an apocalyptic number.

25430122 is a deficient number, since it is larger than the sum of its proper divisors (12915350).

25430122 is a wasteful number, since it uses less digits than its factorization.

25430122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66764.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 25430122 is about 5042.8287696490. The cubic root of 25430122 is about 294.0691601530.

Adding to 25430122 its reverse (22103452), we get a palindrome (47533574).

It can be divided in two parts, 25430 and 122, that added together give a palindrome (25552).

The spelling of 25430122 in words is "twenty-five million, four hundred thirty thousand, one hundred twenty-two".