33322421 has 8 divisors (see below), whose sum is σ = 37605600. Its totient is φ = 29248240.

The previous prime is 33322417. The next prime is 33322451. The reversal of 33322421 is 12422333.

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

It is not a de Polignac number, because 33322421 - 2² = 33322417 is a prime.

It is a super-2 number, since 2×33322421² = 2220767482602482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33322393 and 33322402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33322411) 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, 51911 + ... + 52548.

It is an arithmetic number, because the mean of its divisors is an integer number (4700700).

Almost surely, 2^33322421 is an apocalyptic number.

It is an amenable number.

33322421 is a deficient number, since it is larger than the sum of its proper divisors (4283179).

33322421 is a wasteful number, since it uses less digits than its factorization.

33322421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104499.

The product of its digits is 864, while the sum is 20.

The square root of 33322421 is about 5772.5575787514. The cubic root of 33322421 is about 321.7946718955.

Adding to 33322421 its reverse (12422333), we get a palindrome (45744754).

The spelling of 33322421 in words is "thirty-three million, three hundred twenty-two thousand, four hundred twenty-one".