2722222080 has 312 divisors, whose sum is σ = 9803250912. Its totient is φ = 724598784.

The previous prime is 2722222073. The next prime is 2722222099. The reversal of 2722222080 is 802222272.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4976367 + ... + 4976913.

It is an arithmetic number, because the mean of its divisors is an integer number (31420676).

Almost surely, 2^2722222080 is an apocalyptic number.

2722222080 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 2722222080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4901625456).

2722222080 is an abundant number, since it is smaller than the sum of its proper divisors (7081028832).

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

2722222080 is an frugal number, since it uses more digits than its factorization.

2722222080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 2722222080 is about 52174.9181120584. The cubic root of 2722222080 is about 1396.2864303904.

The spelling of 2722222080 in words is "two billion, seven hundred twenty-two million, two hundred twenty-two thousand, eighty".