2197869320 has 48 divisors (see below), whose sum is σ = 5063055660. Its totient is φ = 858673536.

The previous prime is 2197869307. The next prime is 2197869353. The reversal of 2197869320 is 239687912.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2164668676 + 33200644 = 46526^2 + 5762^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59102 + ... + 88818.

Almost surely, 2^2197869320 is an apocalyptic number.

2197869320 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 2197869320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2531527830).

2197869320 is an abundant number, since it is smaller than the sum of its proper divisors (2865186340).

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

2197869320 is a wasteful number, since it uses less digits than its factorization.

2197869320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29814 (or 29767 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 2197869320 is about 46881.4389710896. The cubic root of 2197869320 is about 1300.1714409006.

The spelling of 2197869320 in words is "two billion, one hundred ninety-seven million, eight hundred sixty-nine thousand, three hundred twenty".