33220982 has 4 divisors (see below), whose sum is σ = 49831476. Its totient is φ = 16610490.

The previous prime is 33220981. The next prime is 33221003. The reversal of 33220982 is 28902233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28902233 = 73 ⋅395921.

It is a super-2 number, since 2×33220982² = 2207267290088648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33220981) 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 as a sum of consecutive naturals, namely, 8305244 + ... + 8305247.

It is an arithmetic number, because the mean of its divisors is an integer number (12457869).

Almost surely, 2^33220982 is an apocalyptic number.

33220982 is a deficient number, since it is larger than the sum of its proper divisors (16610494).

33220982 is a wasteful number, since it uses less digits than its factorization.

33220982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16610493.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 33220982 is about 5763.7645684049. The cubic root of 33220982 is about 321.4678078005.

The spelling of 33220982 in words is "thirty-three million, two hundred twenty thousand, nine hundred eighty-two".