2196974220 has 192 divisors, whose sum is σ = 7215215616. Its totient is φ = 489139200.

The previous prime is 2196974207. The next prime is 2196974233. The reversal of 2196974220 is 224796912.

It is an interprime number because it is at equal distance from previous prime (2196974207) and next prime (2196974233).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2841754 + ... + 2842526.

It is an arithmetic number, because the mean of its divisors is an integer number (37579248).

Almost surely, 2^2196974220 is an apocalyptic number.

2196974220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2196974220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3607607808).

2196974220 is an abundant number, since it is smaller than the sum of its proper divisors (5018241396).

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

2196974220 is a wasteful number, since it uses less digits than its factorization.

2196974220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 2196974220 is about 46871.8915769355. The cubic root of 2196974220 is about 1299.9949151675.

The spelling of 2196974220 in words is "two billion, one hundred ninety-six million, nine hundred seventy-four thousand, two hundred twenty".