23226646 has 4 divisors (see below), whose sum is σ = 34839972. Its totient is φ = 11613322.

The previous prime is 23226613. The next prime is 23226647. The reversal of 23226646 is 64662232.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23226647) 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 as a sum of consecutive naturals, namely, 5806660 + ... + 5806663.

It is an arithmetic number, because the mean of its divisors is an integer number (8709993).

Almost surely, 2^23226646 is an apocalyptic number.

23226646 is a deficient number, since it is larger than the sum of its proper divisors (11613326).

23226646 is a wasteful number, since it uses less digits than its factorization.

23226646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11613325.

The product of its digits is 20736, while the sum is 31.

The square root of 23226646 is about 4819.4030750706. The cubic root of 23226646 is about 285.3177783006.

Adding to 23226646 its reverse (64662232), we get a palindrome (87888878).

The spelling of 23226646 in words is "twenty-three million, two hundred twenty-six thousand, six hundred forty-six".