25422542 has 32 divisors (see below), whose sum is σ = 41174784. Its totient is φ = 11750400.

The previous prime is 25422541. The next prime is 25422557. The reversal of 25422542 is 24522452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25422541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185498 + ... + 185634.

It is an arithmetic number, because the mean of its divisors is an integer number (1286712).

Almost surely, 2^25422542 is an apocalyptic number.

25422542 is a deficient number, since it is larger than the sum of its proper divisors (15752242).

25422542 is a wasteful number, since it uses less digits than its factorization.

25422542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284.

The product of its digits is 6400, while the sum is 26.

The square root of 25422542 is about 5042.0771513336. The cubic root of 25422542 is about 294.0399393502.

Adding to 25422542 its reverse (24522452), we get a palindrome (49944994).

The spelling of 25422542 in words is "twenty-five million, four hundred twenty-two thousand, five hundred forty-two".