2212272 has 60 divisors (see below), whose sum is σ = 6431880. Its totient is φ = 736128.

The previous prime is 2212271. The next prime is 2212277. The reversal of 2212272 is 2722122.

It is a happy number.

2212272 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 (18).

It is a d-powerful number, because it can be written as 2³ + 2¹⁵ + 1 + 2¹⁶ + 2²⁰ + 7⁵ + 2²⁰ .

It is not an unprimeable number, because it can be changed into a prime (2212271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3604 + ... + 4172.

It is an arithmetic number, because the mean of its divisors is an integer number (107198).

2^2212272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3215940).

2212272 is an abundant number, since it is smaller than the sum of its proper divisors (4219608).

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

2212272 is an equidigital number, since it uses as much as digits as its factorization.

2212272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 574 counting only the distinct ones).

The product of its digits is 224, while the sum is 18.

The square root of 2212272 is about 1487.3708347282. The cubic root of 2212272 is about 130.3005275994.

Adding to 2212272 its reverse (2722122), we get a palindrome (4934394).

The spelling of 2212272 in words is "two million, two hundred twelve thousand, two hundred seventy-two".