22105107025 has 24 divisors (see below), whose sum is σ = 28366202304. Its totient is φ = 17074699200.

The previous prime is 22105106993. The next prime is 22105107049. The reversal of 22105107025 is 52070150122.

It is not a de Polignac number, because 22105107025 - 2⁵ = 22105106993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29964 + ... + 212386.

It is an arithmetic number, because the mean of its divisors is an integer number (1181925096).

Almost surely, 2^22105107025 is an apocalyptic number.

22105107025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22105107025 is a deficient number, since it is larger than the sum of its proper divisors (6261095279).

22105107025 is a wasteful number, since it uses less digits than its factorization.

22105107025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182601 (or 182596 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

Adding to 22105107025 its reverse (52070150122), we get a palindrome (74175257147).

The spelling of 22105107025 in words is "twenty-two billion, one hundred five million, one hundred seven thousand, twenty-five".