23225004 has 72 divisors (see below), whose sum is σ = 64576512. Its totient is φ = 6979680.

The previous prime is 23224991. The next prime is 23225017. The reversal of 23225004 is 40052232.

It is an interprime number because it is at equal distance from previous prime (23224991) and next prime (23225017).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88177 + ... + 88439.

It is an arithmetic number, because the mean of its divisors is an integer number (896896).

Almost surely, 2^23225004 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 23225004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32288256).

23225004 is an abundant number, since it is smaller than the sum of its proper divisors (41351508).

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

23225004 is a wasteful number, since it uses less digits than its factorization.

23225004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 23225004 is about 4819.2327190124. The cubic root of 23225004 is about 285.3110546604.

Adding to 23225004 its reverse (40052232), we get a palindrome (63277236).

The spelling of 23225004 in words is "twenty-three million, two hundred twenty-five thousand, four".