3220322040 has 288 divisors, whose sum is σ = 11618465040. Its totient is φ = 772761600.

The previous prime is 3220322033. The next prime is 3220322057. The reversal of 3220322040 is 402230223.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2493795 + ... + 2495085.

Almost surely, 2^3220322040 is an apocalyptic number.

3220322040 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 3220322040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5809232520).

3220322040 is an abundant number, since it is smaller than the sum of its proper divisors (8398143000).

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

3220322040 is a wasteful number, since it uses less digits than its factorization.

3220322040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 3220322040 is about 56747.8813701446. The cubic root of 3220322040 is about 1476.7254789481.

Adding to 3220322040 its reverse (402230223), we get a palindrome (3622552263).

The spelling of 3220322040 in words is "three billion, two hundred twenty million, three hundred twenty-two thousand, forty".