22423266 has 24 divisors (see below), whose sum is σ = 48735180. Its totient is φ = 7451136.

The previous prime is 22423259. The next prime is 22423267. The reversal of 22423266 is 66232422.

It can be written as a sum of positive squares in 2 ways, for example, as 20657025 + 1766241 = 4545^2 + 1329^2 .

It is not an unprimeable number, because it can be changed into a prime (22423267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4590 + ... + 8118.

Almost surely, 2^22423266 is an apocalyptic number.

22423266 is an abundant number, since it is smaller than the sum of its proper divisors (26311914).

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

22423266 is a wasteful number, since it uses less digits than its factorization.

22423266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890 (or 3887 counting only the distinct ones).

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

The square root of 22423266 is about 4735.3211084360. The cubic root of 22423266 is about 281.9895122099.

Adding to 22423266 its reverse (66232422), we get a palindrome (88655688).

The spelling of 22423266 in words is "twenty-two million, four hundred twenty-three thousand, two hundred sixty-six".