25422347 has 4 divisors (see below), whose sum is σ = 25963296. Its totient is φ = 24881400.

The previous prime is 25422329. The next prime is 25422373. The reversal of 25422347 is 74322452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25422347 - 2⁶ = 25422283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25412347) 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, 270404 + ... + 270497.

It is an arithmetic number, because the mean of its divisors is an integer number (6490824).

Almost surely, 2^25422347 is an apocalyptic number.

25422347 is a deficient number, since it is larger than the sum of its proper divisors (540949).

25422347 is an equidigital number, since it uses as much as digits as its factorization.

25422347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540948.

The product of its digits is 13440, while the sum is 29.

The square root of 25422347 is about 5042.0578140279. The cubic root of 25422347 is about 294.0391875510.

Adding to 25422347 its reverse (74322452), we get a palindrome (99744799).

The spelling of 25422347 in words is "twenty-five million, four hundred twenty-two thousand, three hundred forty-seven".