22501431532345 has 8 divisors (see below), whose sum is σ = 27056711157120. Its totient is φ = 17964483013680.

The previous prime is 22501431532331. The next prime is 22501431532351. The reversal of 22501431532345 is 54323513410522.

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

It is not a de Polignac number, because 22501431532345 - 2¹¹ = 22501431530297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22501431532298 and 22501431532307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4582773825 + ... + 4582778734.

It is an arithmetic number, because the mean of its divisors is an integer number (3382088894640).

Almost surely, 2^{22501431532345} is an apocalyptic number.

It is an amenable number.

22501431532345 is a deficient number, since it is larger than the sum of its proper divisors (4555279624775).

22501431532345 is an equidigital number, since it uses as much as digits as its factorization.

22501431532345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9165553055.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 22501431532345 its reverse (54323513410522), we get a palindrome (76824944942867).

The spelling of 22501431532345 in words is "twenty-two trillion, five hundred one billion, four hundred thirty-one million, five hundred thirty-two thousand, three hundred forty-five".