3227212780 has 72 divisors (see below), whose sum is σ = 7622744976. Its totient is φ = 1146203520.

The previous prime is 3227212753. The next prime is 3227212831. The reversal of 3227212780 is 872127223.

It is a happy number.

It is a super-3 number, since 3×3227212780³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88554 + ... + 119566.

It is an arithmetic number, because the mean of its divisors is an integer number (105871458).

Almost surely, 2^3227212780 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 3227212780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3811372488).

3227212780 is an abundant number, since it is smaller than the sum of its proper divisors (4395532196).

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

3227212780 is a wasteful number, since it uses less digits than its factorization.

3227212780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31087 (or 31074 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 3227212780 is about 56808.5625588256. The cubic root of 3227212780 is about 1477.7780115744.

The spelling of 3227212780 in words is "three billion, two hundred twenty-seven million, two hundred twelve thousand, seven hundred eighty".