33422418 has 12 divisors (see below), whose sum is σ = 72415278. Its totient is φ = 11140800.

The previous prime is 33422401. The next prime is 33422419. The reversal of 33422418 is 81422433.

It can be written as a sum of positive squares in only one way, i.e., 26594649 + 6827769 = 5157^2 + 2613^2 .

It is a super-2 number, since 2×33422418² = 2234116049933448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33422391 and 33422400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33422419) 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, 928383 + ... + 928418.

Almost surely, 2^33422418 is an apocalyptic number.

33422418 is an abundant number, since it is smaller than the sum of its proper divisors (38992860).

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

33422418 is a wasteful number, since it uses less digits than its factorization.

33422418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856809 (or 1856806 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 33422418 is about 5781.2125025811. The cubic root of 33422418 is about 322.1162408404.

The spelling of 33422418 in words is "thirty-three million, four hundred twenty-two thousand, four hundred eighteen".