2212756 has 24 divisors (see below), whose sum is σ = 4766720. Its totient is φ = 875232.

The previous prime is 2212753. The next prime is 2212781. The reversal of 2212756 is 6572122.

It is a self number, because there is not a number n which added to its sum of digits gives 2212756.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2676 + ... + 3403.

2^2212756 is an apocalyptic number.

2212756 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2212756 is an abundant number, since it is smaller than the sum of its proper divisors (2553964).

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

2212756 is a wasteful number, since it uses less digits than its factorization.

2212756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6103 (or 6101 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 2212756 is about 1487.5335290339. The cubic root of 2212756 is about 130.3100292726.

Adding to 2212756 its reverse (6572122), we get a palindrome (8784878).

The spelling of 2212756 in words is "two million, two hundred twelve thousand, seven hundred fifty-six".