23215226 has 16 divisors (see below), whose sum is σ = 36871200. Its totient is φ = 10932048.

The previous prime is 23215223. The next prime is 23215229. The reversal of 23215226 is 62251232.

It is an interprime number because it is at equal distance from previous prime (23215223) and next prime (23215229).

It is not an unprimeable number, because it can be changed into a prime (23215223) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 5096 + ... + 8508.

It is an arithmetic number, because the mean of its divisors is an integer number (2304450).

Almost surely, 2^23215226 is an apocalyptic number.

23215226 is a deficient number, since it is larger than the sum of its proper divisors (13655974).

23215226 is a wasteful number, since it uses less digits than its factorization.

23215226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613.

The product of its digits is 1440, while the sum is 23.

The square root of 23215226 is about 4818.2181353691. The cubic root of 23215226 is about 285.2710092695.

Adding to 23215226 its reverse (62251232), we get a palindrome (85466458).

The spelling of 23215226 in words is "twenty-three million, two hundred fifteen thousand, two hundred twenty-six".