22422125 has 32 divisors (see below), whose sum is σ = 31898880. Its totient is φ = 15576000.

The previous prime is 22422097. The next prime is 22422131. The reversal of 22422125 is 52122422.

It is not a de Polignac number, because 22422125 - 2¹⁶ = 22356589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22422097 and 22422106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31271 + ... + 31979.

It is an arithmetic number, because the mean of its divisors is an integer number (996840).

Almost surely, 2^22422125 is an apocalyptic number.

22422125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22422125 is a deficient number, since it is larger than the sum of its proper divisors (9476755).

22422125 is a wasteful number, since it uses less digits than its factorization.

22422125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 748 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 22422125 is about 4735.2006293292. The cubic root of 22422125 is about 281.9847291498.

Adding to 22422125 its reverse (52122422), we get a palindrome (74544547).

The spelling of 22422125 in words is "twenty-two million, four hundred twenty-two thousand, one hundred twenty-five".