2122212 has 48 divisors (see below), whose sum is σ = 5346432. Its totient is φ = 652800.

The previous prime is 2122193. The next prime is 2122213.

2122212 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2122213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20553 + ... + 20655.

It is an arithmetic number, because the mean of its divisors is an integer number (111384).

2^2122212 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 2122212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2673216).

2122212 is an abundant number, since it is smaller than the sum of its proper divisors (3224220).

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

2122212 is a wasteful number, since it uses less digits than its factorization.

2122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 226 counting only the distinct ones).

The product of its digits is 32, while the sum is 12.

The square root of 2122212 is about 1456.7813837361. The cubic root of 2122212 is about 128.5078295683.

The spelling of 2122212 in words is "two million, one hundred twenty-two thousand, two hundred twelve".