23645226 has 32 divisors (see below), whose sum is σ = 51840000. Its totient is φ = 7130480.

The previous prime is 23645221. The next prime is 23645239. The reversal of 23645226 is 62254632.

It is a junction number, because it is equal to n+sod(n) for n = 23645193 and 23645202.

It is not an unprimeable number, because it can be changed into a prime (23645221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15025 + ... + 16523.

It is an arithmetic number, because the mean of its divisors is an integer number (1620000).

Almost surely, 2^23645226 is an apocalyptic number.

23645226 is an abundant number, since it is smaller than the sum of its proper divisors (28194774).

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

23645226 is a wasteful number, since it uses less digits than its factorization.

23645226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754.

The product of its digits is 17280, while the sum is 30.

The square root of 23645226 is about 4862.6357050472. The cubic root of 23645226 is about 287.0215396590.

Adding to 23645226 its reverse (62254632), we get a palindrome (85899858).

It can be divided in two parts, 23645 and 226, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 23645226 in words is "twenty-three million, six hundred forty-five thousand, two hundred twenty-six".