333212240 has 80 divisors (see below), whose sum is σ = 823608000. Its totient is φ = 124938240.

The previous prime is 333212227. The next prime is 333212249. The reversal of 333212240 is 42212333.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×333212240² = 222060793771635200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (333212249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667511 + ... + 668009.

It is an arithmetic number, because the mean of its divisors is an integer number (10295100).

Almost surely, 2^333212240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 333212240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411804000).

333212240 is an abundant number, since it is smaller than the sum of its proper divisors (490395760).

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

333212240 is a wasteful number, since it uses less digits than its factorization.

333212240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 333212240 is about 18254.1020047550. The cubic root of 333212240 is about 693.2773027535.

Adding to 333212240 its reverse (42212333), we get a palindrome (375424573).

The spelling of 333212240 in words is "three hundred thirty-three million, two hundred twelve thousand, two hundred forty".