22471325 has 6 divisors (see below), whose sum is σ = 27864474. Its totient is φ = 17977040.

The previous prime is 22471303. The next prime is 22471333. The reversal of 22471325 is 52317422.

It can be written as a sum of positive squares in 3 ways, for example, as 5938969 + 16532356 = 2437^2 + 4066^2 .

It is not a de Polignac number, because 22471325 - 2⁶ = 22471261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22471294 and 22471303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 449402 + ... + 449451.

It is an arithmetic number, because the mean of its divisors is an integer number (4644079).

Almost surely, 2^22471325 is an apocalyptic number.

22471325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22471325 is a deficient number, since it is larger than the sum of its proper divisors (5393149).

22471325 is an equidigital number, since it uses as much as digits as its factorization.

22471325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898863 (or 898858 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 22471325 is about 4740.3929162043. The cubic root of 22471325 is about 282.1908278663.

Adding to 22471325 its reverse (52317422), we get a palindrome (74788747).

The spelling of 22471325 in words is "twenty-two million, four hundred seventy-one thousand, three hundred twenty-five".