2722100 has 36 divisors (see below), whose sum is σ = 5978784. Its totient is φ = 1075680.

The previous prime is 2722087. The next prime is 2722117. The reversal of 2722100 is 12272.

2722100 is nontrivially palindromic in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16217 + ... + 16383.

2^2722100 is an apocalyptic number.

2722100 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 2722100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2989392).

2722100 is an abundant number, since it is smaller than the sum of its proper divisors (3256684).

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

2722100 is a wasteful number, since it uses less digits than its factorization.

2722100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 2722100 is about 1649.8787834262. The cubic root of 2722100 is about 139.6265557590.

Adding to 2722100 its reverse (12272), we get a palindrome (2734372).

The spelling of 2722100 in words is "two million, seven hundred twenty-two thousand, one hundred".