33404022 has 16 divisors (see below), whose sum is σ = 74231280. Its totient is φ = 11134656.

The previous prime is 33404017. The next prime is 33404029. The reversal of 33404022 is 22040433.

It is a super-2 number, since 2×33404022² = 2231657371552968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 33403986 and 33404004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33404029) 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 7 ways as a sum of consecutive naturals, for example, 309243 + ... + 309350.

It is an arithmetic number, because the mean of its divisors is an integer number (4639455).

Almost surely, 2^33404022 is an apocalyptic number.

33404022 is an abundant number, since it is smaller than the sum of its proper divisors (40827258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33404022 is a wasteful number, since it uses less digits than its factorization.

33404022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618604 (or 618598 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 33404022 is about 5779.6212678687. The cubic root of 33404022 is about 322.0571314339.

Adding to 33404022 its reverse (22040433), we get a palindrome (55444455).

It can be divided in two parts, 3 and 3404022, that added together give a square (3404025 = 1845²).

The spelling of 33404022 in words is "thirty-three million, four hundred four thousand, twenty-two".