25009422 has 16 divisors (see below), whose sum is σ = 50077440. Its totient is φ = 8326712.

The previous prime is 25009421. The next prime is 25009423. The reversal of 25009422 is 22490052.

It is an interprime number because it is at equal distance from previous prime (25009421) and next prime (25009423).

It is a junction number, because it is equal to n+sod(n) for n = 25009392 and 25009401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25009421) 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, 4729 + ... + 8507.

It is an arithmetic number, because the mean of its divisors is an integer number (3129840).

Almost surely, 2^25009422 is an apocalyptic number.

25009422 is an abundant number, since it is smaller than the sum of its proper divisors (25068018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25009422 is a wasteful number, since it uses less digits than its factorization.

25009422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 25009422 is about 5000.9421112426. The cubic root of 25009422 is about 292.4385026677.

Adding to 25009422 its reverse (22490052), we get a palindrome (47499474).

The spelling of 25009422 in words is "twenty-five million, nine thousand, four hundred twenty-two".