2196220 has 24 divisors (see below), whose sum is σ = 4967424. Its totient is φ = 810816.

The previous prime is 2196197. The next prime is 2196221. The reversal of 2196220 is 226912.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2196191 and 2196200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196221) 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, 3964 + ... + 4483.

It is an arithmetic number, because the mean of its divisors is an integer number (206976).

2^2196220 is an apocalyptic number.

2196220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2196220 is an abundant number, since it is smaller than the sum of its proper divisors (2771204).

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

2196220 is a wasteful number, since it uses less digits than its factorization.

2196220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8469 (or 8467 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2196220 is about 1481.9649118653. The cubic root of 2196220 is about 129.9846135636.

The spelling of 2196220 in words is "two million, one hundred ninety-six thousand, two hundred twenty".