33225406 has 4 divisors (see below), whose sum is σ = 49838112. Its totient is φ = 16612702.

The previous prime is 33225403. The next prime is 33225407. The reversal of 33225406 is 60452233.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×33225406² = 2207855207729672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33225403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8306350 + ... + 8306353.

It is an arithmetic number, because the mean of its divisors is an integer number (12459528).

Almost surely, 2^33225406 is an apocalyptic number.

33225406 is a deficient number, since it is larger than the sum of its proper divisors (16612706).

33225406 is a wasteful number, since it uses less digits than its factorization.

33225406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16612705.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 33225406 is about 5764.1483325813. The cubic root of 33225406 is about 321.4820770000.

Adding to 33225406 its reverse (60452233), we get a palindrome (93677639).

The spelling of 33225406 in words is "thirty-three million, two hundred twenty-five thousand, four hundred six".