33229425 has 12 divisors (see below), whose sum is σ = 54939440. Its totient is φ = 17722320.

The previous prime is 33229409. The next prime is 33229429. The reversal of 33229425 is 52492233.

It is not a de Polignac number, because 33229425 - 2⁴ = 33229409 is a prime.

It is a super-2 number, since 2×33229425² = 2208389371661250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33229392 and 33229401.

It is not an unprimeable number, because it can be changed into a prime (33229429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221455 + ... + 221604.

Almost surely, 2^33229425 is an apocalyptic number.

It is an amenable number.

33229425 is a deficient number, since it is larger than the sum of its proper divisors (21710015).

33229425 is a wasteful number, since it uses less digits than its factorization.

33229425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443072 (or 443067 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 33229425 is about 5764.4969424920. The cubic root of 33229425 is about 321.4950388118.

The spelling of 33229425 in words is "thirty-three million, two hundred twenty-nine thousand, four hundred twenty-five".