3227764140 has 168 divisors, whose sum is σ = 10262745360. Its totient is φ = 852280704.

The previous prime is 3227764139. The next prime is 3227764159. The reversal of 3227764140 is 414677223.

3227764140 is a `hidden beast` number, since 3 + 2 + 2 + 7 + 7 + 641 + 4 + 0 = 666.

It is a super-2 number, since 2×3227764140² = 20836922686939879200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3227764095 and 3227764104.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1559026 + ... + 1561094.

It is an arithmetic number, because the mean of its divisors is an integer number (61087770).

Almost surely, 2^3227764140 is an apocalyptic number.

3227764140 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 3227764140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5131372680).

3227764140 is an abundant number, since it is smaller than the sum of its proper divisors (7034981220).

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

3227764140 is a wasteful number, since it uses less digits than its factorization.

3227764140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 3227764140 is about 56813.4151411443. The cubic root of 3227764140 is about 1477.8621648199.

The spelling of 3227764140 in words is "three billion, two hundred twenty-seven million, seven hundred sixty-four thousand, one hundred forty".