33248220 has 24 divisors (see below), whose sum is σ = 93095184. Its totient is φ = 8866176.

The previous prime is 33248207. The next prime is 33248221. The reversal of 33248220 is 2284233.

It is a super-2 number, since 2×33248220² = 2210888266336800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33248221) 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, 277009 + ... + 277128.

It is an arithmetic number, because the mean of its divisors is an integer number (3878966).

Almost surely, 2^33248220 is an apocalyptic number.

33248220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33248220 is an abundant number, since it is smaller than the sum of its proper divisors (59846964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33248220 is a wasteful number, since it uses less digits than its factorization.

33248220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554149 (or 554147 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 33248220 is about 5766.1269496951. The cubic root of 33248220 is about 321.5556413287. Note that the first 3 decimals are identical.

The spelling of 33248220 in words is "thirty-three million, two hundred forty-eight thousand, two hundred twenty".