22045242125 has 16 divisors (see below), whose sum is σ = 27517501440. Its totient is φ = 17632963600.

The previous prime is 22045242113. The next prime is 22045242143. The reversal of 22045242125 is 52124254022.

It is a happy number.

It is not a de Polignac number, because 22045242125 - 2¹⁶ = 22045176589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857204 + ... + 882546.

It is an arithmetic number, because the mean of its divisors is an integer number (1719843840).

Almost surely, 2^22045242125 is an apocalyptic number.

22045242125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22045242125 is a deficient number, since it is larger than the sum of its proper divisors (5472259315).

22045242125 is an equidigital number, since it uses as much as digits as its factorization.

22045242125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32317 (or 32307 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 22045242125 its reverse (52124254022), we get a palindrome (74169496147).

The spelling of 22045242125 in words is "twenty-two billion, forty-five million, two hundred forty-two thousand, one hundred twenty-five".