25552122 has 32 divisors (see below), whose sum is σ = 55862784. Its totient is φ = 7756800.

The previous prime is 25552099. The next prime is 25552123. The reversal of 25552122 is 22125552.

It is a junction number, because it is equal to n+sod(n) for n = 25552092 and 25552101.

It is not an unprimeable number, because it can be changed into a prime (25552123) 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, 879 + ... + 7202.

It is an arithmetic number, because the mean of its divisors is an integer number (1745712).

Almost surely, 2^25552122 is an apocalyptic number.

25552122 is an abundant number, since it is smaller than the sum of its proper divisors (30310662).

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

25552122 is a wasteful number, since it uses less digits than its factorization.

25552122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8134.

The product of its digits is 2000, while the sum is 24.

The square root of 25552122 is about 5054.9106817035. The cubic root of 25552122 is about 294.5386718346.

Adding to 25552122 its reverse (22125552), we get a palindrome (47677674).

The spelling of 25552122 in words is "twenty-five million, five hundred fifty-two thousand, one hundred twenty-two".