2748220100 has 72 divisors (see below), whose sum is σ = 6081360768. Its totient is φ = 1077808000.

The previous prime is 2748220087. The next prime is 2748220109. The reversal of 2748220100 is 10228472.

It is a self number, because there is not a number n which added to its sum of digits gives 2748220100.

It is not an unprimeable number, because it can be changed into a prime (2748220109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1079429 + ... + 1081971.

It is an arithmetic number, because the mean of its divisors is an integer number (84463344).

Almost surely, 2^2748220100 is an apocalyptic number.

2748220100 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 2748220100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3040680384).

2748220100 is an abundant number, since it is smaller than the sum of its proper divisors (3333140668).

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

2748220100 is a wasteful number, since it uses less digits than its factorization.

2748220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765 (or 2758 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 2748220100 is about 52423.4689809822. The cubic root of 2748220100 is about 1400.7173364677.

Adding to 2748220100 its reverse (10228472), we get a palindrome (2758448572).

The spelling of 2748220100 in words is "two billion, seven hundred forty-eight million, two hundred twenty thousand, one hundred".