23281226 has 4 divisors (see below), whose sum is σ = 34921842. Its totient is φ = 11640612.

The previous prime is 23281187. The next prime is 23281231. The reversal of 23281226 is 62218232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14070001 + 9211225 = 3751^2 + 3035^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23281195 and 23281204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5820305 + ... + 5820308.

Almost surely, 2^23281226 is an apocalyptic number.

23281226 is a deficient number, since it is larger than the sum of its proper divisors (11640616).

23281226 is a wasteful number, since it uses less digits than its factorization.

23281226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11640615.

The product of its digits is 2304, while the sum is 26.

The square root of 23281226 is about 4825.0622793908. The cubic root of 23281226 is about 285.5410916775.

Adding to 23281226 its reverse (62218232), we get a palindrome (85499458).

The spelling of 23281226 in words is "twenty-three million, two hundred eighty-one thousand, two hundred twenty-six".