22043625 has 32 divisors (see below), whose sum is σ = 37964160. Its totient is φ = 11345600.

The previous prime is 22043621. The next prime is 22043627. The reversal of 22043625 is 52634022.

It is not a de Polignac number, because 22043625 - 2² = 22043621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22043595 and 22043604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22043621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9862 + ... + 11888.

It is an arithmetic number, because the mean of its divisors is an integer number (1186380).

Almost surely, 2^22043625 is an apocalyptic number.

22043625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22043625 is a deficient number, since it is larger than the sum of its proper divisors (15920535).

22043625 is a wasteful number, since it uses less digits than its factorization.

22043625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074 (or 2064 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 22043625 is about 4695.0638973288. The cubic root of 22043625 is about 280.3890213331.

Adding to 22043625 its reverse (52634022), we get a palindrome (74677647).

The spelling of 22043625 in words is "twenty-two million, forty-three thousand, six hundred twenty-five".