22525131466 has 32 divisors (see below), whose sum is σ = 35600767488. Its totient is φ = 10668155520.

The previous prime is 22525131463. The next prime is 22525131479. The reversal of 22525131466 is 66413152522.

It is not an unprimeable number, because it can be changed into a prime (22525131463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2712016 + ... + 2720308.

It is an arithmetic number, because the mean of its divisors is an integer number (1112523984).

Almost surely, 2^22525131466 is an apocalyptic number.

22525131466 is a deficient number, since it is larger than the sum of its proper divisors (13075636022).

22525131466 is a wasteful number, since it uses less digits than its factorization.

22525131466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886.

The product of its digits is 86400, while the sum is 37.

Adding to 22525131466 its reverse (66413152522), we get a palindrome (88938283988).

The spelling of 22525131466 in words is "twenty-two billion, five hundred twenty-five million, one hundred thirty-one thousand, four hundred sixty-six".