33452421 has 8 divisors (see below), whose sum is σ = 44669664. Its totient is φ = 22268400.

The previous prime is 33452387. The next prime is 33452423. The reversal of 33452421 is 12425433.

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

It is not a de Polignac number, because 33452421 - 2⁶ = 33452357 is a prime.

It is a super-2 number, since 2×33452421² = 2238128941522482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33452391 and 33452400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33452423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5851 + ... + 10056.

It is an arithmetic number, because the mean of its divisors is an integer number (5583708).

Almost surely, 2^33452421 is an apocalyptic number.

It is an amenable number.

33452421 is a deficient number, since it is larger than the sum of its proper divisors (11217243).

33452421 is a wasteful number, since it uses less digits than its factorization.

33452421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16611.

The product of its digits is 2880, while the sum is 24.

The square root of 33452421 is about 5783.8067913788. The cubic root of 33452421 is about 322.2125989507.

Adding to 33452421 its reverse (12425433), we get a palindrome (45877854).

The spelling of 33452421 in words is "thirty-three million, four hundred fifty-two thousand, four hundred twenty-one".