25022506 has 8 divisors (see below), whose sum is σ = 39509280. Its totient is φ = 11852748.

The previous prime is 25022497. The next prime is 25022507. The reversal of 25022506 is 60522052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×25022506² = 1252251613040072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25022507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329206 + ... + 329281.

It is an arithmetic number, because the mean of its divisors is an integer number (4938660).

Almost surely, 2^25022506 is an apocalyptic number.

25022506 is a deficient number, since it is larger than the sum of its proper divisors (14486774).

25022506 is a wasteful number, since it uses less digits than its factorization.

25022506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658508.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25022506 is about 5002.2500937078. The cubic root of 25022506 is about 292.4894914285.

Adding to 25022506 its reverse (60522052), we get a palindrome (85544558).

The spelling of 25022506 in words is "twenty-five million, twenty-two thousand, five hundred six".