2196224020 has 12 divisors (see below), whose sum is σ = 4612070484. Its totient is φ = 878489600.

The previous prime is 2196223973. The next prime is 2196224029. The reversal of 2196224020 is 204226912.

It can be written as a sum of positive squares in 2 ways, for example, as 630913924 + 1565310096 = 25118^2 + 39564^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2196224020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196224029) 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, 54905581 + ... + 54905620.

It is an arithmetic number, because the mean of its divisors is an integer number (384339207).

Almost surely, 2^2196224020 is an apocalyptic number.

2196224020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2196224020 is an abundant number, since it is smaller than the sum of its proper divisors (2415846464).

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

2196224020 is a wasteful number, since it uses less digits than its factorization.

2196224020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109811210 (or 109811208 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2196224020 is about 46863.8882296380. Note that the first 3 decimals coincide. The cubic root of 2196224020 is about 1299.8469287226.

The spelling of 2196224020 in words is "two billion, one hundred ninety-six million, two hundred twenty-four thousand, twenty".