33223402 has 4 divisors (see below), whose sum is σ = 49835106. Its totient is φ = 16611700.

The previous prime is 33223397. The next prime is 33223403. The reversal of 33223402 is 20432233.

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., 23804641 + 9418761 = 4879^2 + 3069^2 .

It is a super-2 number, since 2×33223402² = 2207588880907208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33223402.

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 as a sum of consecutive naturals, namely, 8305849 + ... + 8305852.

Almost surely, 2^33223402 is an apocalyptic number.

33223402 is a deficient number, since it is larger than the sum of its proper divisors (16611704).

33223402 is a wasteful number, since it uses less digits than its factorization.

33223402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16611703.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 33223402 is about 5763.9744968207. The cubic root of 33223402 is about 321.4756134418.

Adding to 33223402 its reverse (20432233), we get a palindrome (53655635).

It can be divided in two parts, 3322 and 3402, that added together give a square (6724 = 82²).

The spelling of 33223402 in words is "thirty-three million, two hundred twenty-three thousand, four hundred two".