25222606162522 has 8 divisors (see below), whose sum is σ = 37992210120000. Its totient is φ = 12558536122524.

The previous prime is 25222606162499. The next prime is 25222606162529. The reversal of 25222606162522 is 22526160622252.

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

It is not an unprimeable number, because it can be changed into a prime (25222606162529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26383478772 + ... + 26383479727.

It is an arithmetic number, because the mean of its divisors is an integer number (4749026265000).

Almost surely, 2^{25222606162522} is an apocalyptic number.

25222606162522 is a deficient number, since it is larger than the sum of its proper divisors (12769603957478).

25222606162522 is a wasteful number, since it uses less digits than its factorization.

25222606162522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52766958740.

The product of its (nonzero) digits is 691200, while the sum is 43.

Adding to 25222606162522 its reverse (22526160622252), we get a palindrome (47748766784774).

The spelling of 25222606162522 in words is "twenty-five trillion, two hundred twenty-two billion, six hundred six million, one hundred sixty-two thousand, five hundred twenty-two".