33421466 has 8 divisors (see below), whose sum is σ = 53988564. Its totient is φ = 15425280.

The previous prime is 33421463. The next prime is 33421477. The reversal of 33421466 is 66412433.

It can be written as a sum of positive squares in 2 ways, for example, as 26739241 + 6682225 = 5171^2 + 2585^2 .

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

It is a super-2 number, since 2×33421466² = 2233988779178312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33421463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642695 + ... + 642746.

Almost surely, 2^33421466 is an apocalyptic number.

33421466 is a deficient number, since it is larger than the sum of its proper divisors (20567098).

33421466 is a wasteful number, since it uses less digits than its factorization.

33421466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285456.

The product of its digits is 10368, while the sum is 29.

The square root of 33421466 is about 5781.1301663256. The cubic root of 33421466 is about 322.1131824384.

Adding to 33421466 its reverse (66412433), we get a palindrome (99833899).

The spelling of 33421466 in words is "thirty-three million, four hundred twenty-one thousand, four hundred sixty-six".