25422346 has 16 divisors (see below), whose sum is σ = 38942784. Its totient is φ = 12443904.

The previous prime is 25422329. The next prime is 25422373. The reversal of 25422346 is 64322452.

It is a super-2 number, since 2×25422346² = 1292591352287432, which contains 22 as substring.

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, 25371 + ... + 26353.

It is an arithmetic number, because the mean of its divisors is an integer number (2433924).

Almost surely, 2^25422346 is an apocalyptic number.

25422346 is a deficient number, since it is larger than the sum of its proper divisors (13520438).

25422346 is a wasteful number, since it uses less digits than its factorization.

25422346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245.

The product of its digits is 11520, while the sum is 28.

The square root of 25422346 is about 5042.0577148621. The cubic root of 25422346 is about 294.0391836956.

Adding to 25422346 its reverse (64322452), we get a palindrome (89744798).

The spelling of 25422346 in words is "twenty-five million, four hundred twenty-two thousand, three hundred forty-six".