2212220 has 24 divisors (see below), whose sum is σ = 4735584. Its totient is φ = 867776.

The previous prime is 2212219. The next prime is 2212229. The reversal of 2212220 is 222122.

2212220 = T₁₄₉ + T₁₅₀ + ... + T₂₅₄.

2212220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212229) 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, 17 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (197316).

2^2212220 is an apocalyptic number.

2212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212220 is an abundant number, since it is smaller than the sum of its proper divisors (2523364).

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

2212220 is a wasteful number, since it uses less digits than its factorization.

2212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149 (or 2147 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2212220 is about 1487.3533541160. The cubic root of 2212220 is about 130.2995066761.

Adding to 2212220 its reverse (222122), we get a palindrome (2434342).

The spelling of 2212220 in words is "two million, two hundred twelve thousand, two hundred twenty".