22344466 has 4 divisors (see below), whose sum is σ = 33516702. Its totient is φ = 11172232.

The previous prime is 22344461. The next prime is 22344479. The reversal of 22344466 is 66444322.

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., 13905441 + 8439025 = 3729^2 + 2905^2 .

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22344461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5586115 + ... + 5586118.

Almost surely, 2^22344466 is an apocalyptic number.

22344466 is a deficient number, since it is larger than the sum of its proper divisors (11172236).

22344466 is a wasteful number, since it uses less digits than its factorization.

22344466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11172235.

The product of its digits is 27648, while the sum is 31.

The square root of 22344466 is about 4726.9933361493. The cubic root of 22344466 is about 281.6588013318.

Adding to 22344466 its reverse (66444322), we get a palindrome (88788788).

The spelling of 22344466 in words is "twenty-two million, three hundred forty-four thousand, four hundred sixty-six".