23225530 has 16 divisors (see below), whose sum is σ = 41969664. Its totient is φ = 9253840.

The previous prime is 23225509. The next prime is 23225533. The reversal of 23225530 is 3552232.

It is not an unprimeable number, because it can be changed into a prime (23225533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1786 + ... + 7045.

It is an arithmetic number, because the mean of its divisors is an integer number (2623104).

Almost surely, 2^23225530 is an apocalyptic number.

23225530 is a deficient number, since it is larger than the sum of its proper divisors (18744134).

23225530 is a wasteful number, since it uses less digits than its factorization.

23225530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9101.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 23225530 is about 4819.2872917061. The cubic root of 23225530 is about 285.3132085529.

Adding to 23225530 its reverse (3552232), we get a palindrome (26777762).

The spelling of 23225530 in words is "twenty-three million, two hundred twenty-five thousand, five hundred thirty".