3222212240 has 160 divisors (see below), whose sum is σ = 8274220416. Its totient is φ = 1159741440.

The previous prime is 3222212233. The next prime is 3222212269. The reversal of 3222212240 is 422122223.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9127904 + ... + 9128256.

Almost surely, 2^3222212240 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 3222212240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4137110208).

3222212240 is an abundant number, since it is smaller than the sum of its proper divisors (5052008176).

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

3222212240 is a wasteful number, since it uses less digits than its factorization.

3222212240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 3222212240 is about 56764.5332932457. The cubic root of 3222212240 is about 1477.0143486652.

Adding to 3222212240 its reverse (422122223), we get a palindrome (3644334463).

The spelling of 3222212240 in words is "three billion, two hundred twenty-two million, two hundred twelve thousand, two hundred forty".