2722764220 has 96 divisors (see below), whose sum is σ = 6656590080. Its totient is φ = 925032960.

The previous prime is 2722764199. The next prime is 2722764223. The reversal of 2722764220 is 224672272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722764223) 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, 300679 + ... + 309601.

It is an arithmetic number, because the mean of its divisors is an integer number (69339480).

Almost surely, 2^2722764220 is an apocalyptic number.

2722764220 is a gapful number since it is divisible by the number (20) 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 2722764220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3328295040).

2722764220 is an abundant number, since it is smaller than the sum of its proper divisors (3933825860).

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

2722764220 is a wasteful number, since it uses less digits than its factorization.

2722764220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9035 (or 9033 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 2722764220 is about 52180.1132616632. The cubic root of 2722764220 is about 1396.3791160049.

The spelling of 2722764220 in words is "two billion, seven hundred twenty-two million, seven hundred sixty-four thousand, two hundred twenty".