2212760 has 64 divisors (see below), whose sum is σ = 5598720. Its totient is φ = 780160.

The previous prime is 2212753. The next prime is 2212781. The reversal of 2212760 is 672122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20627 + ... + 20733.

It is an arithmetic number, because the mean of its divisors is an integer number (87480).

2^2212760 is an apocalyptic number.

2212760 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 2212760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2799360).

2212760 is an abundant number, since it is smaller than the sum of its proper divisors (3385960).

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

2212760 is a wasteful number, since it uses less digits than its factorization.

2212760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2212760 is about 1487.5348735408. The cubic root of 2212760 is about 130.3101077931.

Adding to 2212760 its reverse (672122), we get a palindrome (2884882).

It can be divided in two parts, 221 and 2760, that multiplied together give a triangular number (609960 = T₁₁₀₄).

The spelling of 2212760 in words is "two million, two hundred twelve thousand, seven hundred sixty".