33223401 has 6 divisors (see below), whose sum is σ = 47989370. Its totient is φ = 22148928.

The previous prime is 33223397. The next prime is 33223403. The reversal of 33223401 is 10432233.

33223401 is a `hidden beast` number, since 3 + 322 + 340 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23619600 + 9603801 = 4860^2 + 3099^2 .

It is not a de Polignac number, because 33223401 - 2² = 33223397 is a prime.

It is a super-2 number, since 2×33223401² = 2207588748013602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33223403) 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 5 ways as a sum of consecutive naturals, for example, 1845736 + ... + 1845753.

Almost surely, 2^33223401 is an apocalyptic number.

It is an amenable number.

33223401 is a deficient number, since it is larger than the sum of its proper divisors (14765969).

33223401 is a wasteful number, since it uses less digits than its factorization.

33223401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691495 (or 3691492 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 33223401 is about 5763.9744100750. The cubic root of 33223401 is about 321.4756102164.

Adding to 33223401 its reverse (10432233), we get a palindrome (43655634).

The spelling of 33223401 in words is "thirty-three million, two hundred twenty-three thousand, four hundred one".