25422842 has 4 divisors (see below), whose sum is σ = 38134266. Its totient is φ = 12711420.

The previous prime is 25422823. The next prime is 25422851. The reversal of 25422842 is 24822452.

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

It can be written as a sum of positive squares in only one way, i.e., 21058921 + 4363921 = 4589^2 + 2089^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6355709 + ... + 6355712.

Almost surely, 2^25422842 is an apocalyptic number.

25422842 is a deficient number, since it is larger than the sum of its proper divisors (12711424).

25422842 is a wasteful number, since it uses less digits than its factorization.

25422842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12711423.

The product of its digits is 10240, while the sum is 29.

The square root of 25422842 is about 5042.1069008897. The cubic root of 25422842 is about 294.0410959567.

The spelling of 25422842 in words is "twenty-five million, four hundred twenty-two thousand, eight hundred forty-two".