3222702720 has 512 divisors, whose sum is σ = 12117600000. Its totient is φ = 808206336.

The previous prime is 3222702713. The next prime is 3222702731. The reversal of 3222702720 is 272072223.

3222702720 is a `hidden beast` number, since 322 + 2 + 70 + 272 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29566026 + ... + 29566134.

Almost surely, 2^3222702720 is an apocalyptic number.

3222702720 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 3222702720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6058800000).

3222702720 is an abundant number, since it is smaller than the sum of its proper divisors (8894897280).

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

3222702720 is a wasteful number, since it uses less digits than its factorization.

3222702720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 3222702720 is about 56768.8534321418. The cubic root of 3222702720 is about 1477.0892877845.

Adding to 3222702720 its reverse (272072223), we get a palindrome (3494774943).

The spelling of 3222702720 in words is "three billion, two hundred twenty-two million, seven hundred two thousand, seven hundred twenty".