3222174720 has 352 divisors, whose sum is σ = 10904057856. Its totient is φ = 811008000.

The previous prime is 3222174701. The next prime is 3222174721. The reversal of 3222174720 is 274712223.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222174721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31902670 + ... + 31902770.

Almost surely, 2^3222174720 is an apocalyptic number.

3222174720 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 3222174720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5452028928).

3222174720 is an abundant number, since it is smaller than the sum of its proper divisors (7681883136).

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

3222174720 is a wasteful number, since it uses less digits than its factorization.

3222174720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 3222174720 is about 56764.2028042322. The cubic root of 3222174720 is about 1477.0086157723.

Adding to 3222174720 its reverse (274712223), we get a palindrome (3496886943).

The spelling of 3222174720 in words is "three billion, two hundred twenty-two million, one hundred seventy-four thousand, seven hundred twenty".