25422045 has 16 divisors (see below), whose sum is σ = 44373312. Its totient is φ = 12325760.

The previous prime is 25422041. The next prime is 25422053. The reversal of 25422045 is 54022452.

It is a happy number.

It is not a de Polignac number, because 25422045 - 2² = 25422041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25422041) 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, 76872 + ... + 77201.

It is an arithmetic number, because the mean of its divisors is an integer number (2773332).

Almost surely, 2^25422045 is an apocalyptic number.

It is an amenable number.

25422045 is a deficient number, since it is larger than the sum of its proper divisors (18951267).

25422045 is a wasteful number, since it uses less digits than its factorization.

25422045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154092.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 25422045 is about 5042.0278658492. The cubic root of 25422045 is about 294.0380232186.

Adding to 25422045 its reverse (54022452), we get a palindrome (79444497).

The spelling of 25422045 in words is "twenty-five million, four hundred twenty-two thousand, forty-five".