22461466 has 8 divisors (see below), whose sum is σ = 33778260. Its totient is φ = 11202048.

The previous prime is 22461463. The next prime is 22461469. The reversal of 22461466 is 66416422.

It is an interprime number because it is at equal distance from previous prime (22461463) and next prime (22461469).

It can be written as a sum of positive squares in 2 ways, for example, as 19669225 + 2792241 = 4435^2 + 1671^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22461463) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13351 + ... + 14938.

Almost surely, 2^22461466 is an apocalyptic number.

22461466 is a deficient number, since it is larger than the sum of its proper divisors (11316794).

22461466 is a wasteful number, since it uses less digits than its factorization.

22461466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28688.

The product of its digits is 13824, while the sum is 31.

The square root of 22461466 is about 4739.3529094171. The cubic root of 22461466 is about 282.1495526509.

Adding to 22461466 its reverse (66416422), we get a palindrome (88877888).

The spelling of 22461466 in words is "twenty-two million, four hundred sixty-one thousand, four hundred sixty-six".