25450022 has 16 divisors (see below), whose sum is σ = 41202000. Its totient is φ = 11720352.

The previous prime is 25450013. The next prime is 25450027. The reversal of 25450022 is 22005452.

It is a junction number, because it is equal to n+sod(n) for n = 25449976 and 25450003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25450027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16229 + ... + 17727.

It is an arithmetic number, because the mean of its divisors is an integer number (2575125).

Almost surely, 2^25450022 is an apocalyptic number.

25450022 is a deficient number, since it is larger than the sum of its proper divisors (15751978).

25450022 is a wasteful number, since it uses less digits than its factorization.

25450022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 25450022 is about 5044.8014827147. The cubic root of 25450022 is about 294.1458467754.

Adding to 25450022 its reverse (22005452), we get a palindrome (47455474).

The spelling of 25450022 in words is "twenty-five million, four hundred fifty thousand, twenty-two".