2722347055428 has 576 divisors, whose sum is σ = 9440308539648. Its totient is φ = 597701099520.

The previous prime is 2722347055423. The next prime is 2722347055447. The reversal of 2722347055428 is 8245507432272.

2722347055428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2722347055428² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (2722347055423) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 52863100 + ... + 52914572.

It is an arithmetic number, because the mean of its divisors is an integer number (16389424548).

Almost surely, 2^{2722347055428} is an apocalyptic number.

2722347055428 is a gapful number since it is divisible by the number (28) 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 2722347055428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4720154269824).

2722347055428 is an abundant number, since it is smaller than the sum of its proper divisors (6717961484220).

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

2722347055428 is a wasteful number, since it uses less digits than its factorization.

2722347055428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51572 (or 51563 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 51.

The spelling of 2722347055428 in words is "two trillion, seven hundred twenty-two billion, three hundred forty-seven million, fifty-five thousand, four hundred twenty-eight".