2212872 has 16 divisors (see below), whose sum is σ = 5532240. Its totient is φ = 737616.

The previous prime is 2212871. The next prime is 2212877. The reversal of 2212872 is 2782122.

It is a happy number.

2212872 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 92203 = 2212872 / (2 + 2 + 1 + 2 + 8 + 7 + 2).

It is a d-powerful number, because it can be written as 2¹⁰ + 2¹⁴ + 1 + 2¹⁶ + 8⁵ + 7 + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (2212871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46078 + ... + 46125.

It is an arithmetic number, because the mean of its divisors is an integer number (345765).

2^2212872 is an apocalyptic number.

It is an amenable number.

2212872 is an abundant number, since it is smaller than the sum of its proper divisors (3319368).

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

2212872 is a wasteful number, since it uses less digits than its factorization.

2212872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92212 (or 92208 counting only the distinct ones).

The product of its digits is 896, while the sum is 24.

The square root of 2212872 is about 1487.5725192407. The cubic root of 2212872 is about 130.3123063273.

Adding to 2212872 its reverse (2782122), we get a palindrome (4994994).

The spelling of 2212872 in words is "two million, two hundred twelve thousand, eight hundred seventy-two".