23225256 has 24 divisors (see below), whose sum is σ = 62901930. Its totient is φ = 7741728.

The previous prime is 23225243. The next prime is 23225287. The reversal of 23225256 is 65252232.

It can be written as a sum of positive squares in only one way, i.e., 21622500 + 1602756 = 4650^2 + 1266^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 161215 + ... + 161358.

Almost surely, 2^23225256 is an apocalyptic number.

It is an amenable number.

23225256 is an abundant number, since it is smaller than the sum of its proper divisors (39676674).

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

23225256 is a wasteful number, since it uses less digits than its factorization.

23225256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322585 (or 322578 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 23225256 is about 4819.2588641823. The cubic root of 23225256 is about 285.3120865673.

Adding to 23225256 its reverse (65252232), we get a palindrome (88477488).

The spelling of 23225256 in words is "twenty-three million, two hundred twenty-five thousand, two hundred fifty-six".