23221266 has 8 divisors (see below), whose sum is σ = 46442544. Its totient is φ = 7740420.

The previous prime is 23221259. The next prime is 23221267. The reversal of 23221266 is 66212232.

It is a sphenic number, since it is the product of 3 distinct primes.

23221266 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (23221267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1935100 + ... + 1935111.

It is an arithmetic number, because the mean of its divisors is an integer number (5805318).

Almost surely, 2^23221266 is an apocalyptic number.

23221266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23221266 is a wasteful number, since it uses less digits than its factorization.

23221266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870216.

The product of its digits is 1728, while the sum is 24.

The square root of 23221266 is about 4818.8448823344. The cubic root of 23221266 is about 285.2957471648.

Adding to 23221266 its reverse (66212232), we get a palindrome (89433498).

The spelling of 23221266 in words is "twenty-three million, two hundred twenty-one thousand, two hundred sixty-six".