23422266 has 48 divisors (see below), whose sum is σ = 58339008. Its totient is φ = 6652800.

The previous prime is 23422253. The next prime is 23422271. The reversal of 23422266 is 66222432.

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 in 23 ways as a sum of consecutive naturals, for example, 26146 + ... + 27026.

It is an arithmetic number, because the mean of its divisors is an integer number (1215396).

Almost surely, 2^23422266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23422266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29169504).

23422266 is an abundant number, since it is smaller than the sum of its proper divisors (34916742).

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

23422266 is a wasteful number, since it uses less digits than its factorization.

23422266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107 (or 1104 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 23422266 is about 4839.6555662568. The cubic root of 23422266 is about 286.1165433711.

Adding to 23422266 its reverse (66222432), we get a palindrome (89644698).

It can be divided in two parts, 234 and 22266, that added together give a square (22500 = 150²).

The spelling of 23422266 in words is "twenty-three million, four hundred twenty-two thousand, two hundred sixty-six".