3222011520 has 640 divisors, whose sum is σ = 14182439040. Its totient is φ = 678813696.

The previous prime is 3222011509. The next prime is 3222011531. The reversal of 3222011520 is 251102223.

It is an interprime number because it is at equal distance from previous prime (3222011509) and next prime (3222011531).

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3222011493 and 3222011502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4717099 + ... + 4717781.

It is an arithmetic number, because the mean of its divisors is an integer number (22160061).

Almost surely, 2^3222011520 is an apocalyptic number.

3222011520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3222011520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7091219520).

3222011520 is an abundant number, since it is smaller than the sum of its proper divisors (10960427520).

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

3222011520 is a wasteful number, since it uses less digits than its factorization.

3222011520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 3222011520 is about 56762.7652603359. The cubic root of 3222011520 is about 1476.9836790037.

Adding to 3222011520 its reverse (251102223), we get a palindrome (3473113743).

The spelling of 3222011520 in words is "three billion, two hundred twenty-two million, eleven thousand, five hundred twenty".