22325504 has 36 divisors (see below), whose sum is σ = 45787644. Its totient is φ = 10856448.

The previous prime is 22325497. The next prime is 22325509. The reversal of 22325504 is 40552322.

It can be written as a sum of positive squares in 2 ways, for example, as 12390400 + 9935104 = 3520^2 + 3152^2 .

It is a super-3 number, since 3×22325504³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22325504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22325509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8294 + ... + 10650.

It is an arithmetic number, because the mean of its divisors is an integer number (1271879).

Almost surely, 2^22325504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22325504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22893822).

22325504 is an abundant number, since it is smaller than the sum of its proper divisors (23462140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22325504 is an equidigital number, since it uses as much as digits as its factorization.

22325504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410 (or 2396 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 22325504 is about 4724.9871957498. The cubic root of 22325504 is about 281.5791048545.

Adding to 22325504 its reverse (40552322), we get a palindrome (62877826).

The spelling of 22325504 in words is "twenty-two million, three hundred twenty-five thousand, five hundred four".