22426466 has 4 divisors (see below), whose sum is σ = 33639702. Its totient is φ = 11213232.

The previous prime is 22426463. The next prime is 22426471. The reversal of 22426466 is 66462422.

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

It can be written as a sum of positive squares in only one way, i.e., 22420225 + 6241 = 4735^2 + 79^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22426463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606615 + ... + 5606618.

Almost surely, 2^22426466 is an apocalyptic number.

22426466 is a deficient number, since it is larger than the sum of its proper divisors (11213236).

22426466 is a wasteful number, since it uses less digits than its factorization.

22426466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11213235.

The product of its digits is 27648, while the sum is 32.

The square root of 22426466 is about 4735.6589826549. The cubic root of 22426466 is about 282.0029257111.

Adding to 22426466 its reverse (66462422), we get a palindrome (88888888).

The spelling of 22426466 in words is "twenty-two million, four hundred twenty-six thousand, four hundred sixty-six".