2197914912 has 120 divisors (see below), whose sum is σ = 6570446652. Its totient is φ = 720576000.

The previous prime is 2197914907. The next prime is 2197914919. The reversal of 2197914912 is 2194197912.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2160018576 + 37896336 = 46476^2 + 6156^2 .

It is not an unprimeable number, because it can be changed into a prime (2197914919) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 151162 + ... + 165062.

Almost surely, 2^2197914912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2197914912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3285223326).

2197914912 is an abundant number, since it is smaller than the sum of its proper divisors (4372531740).

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

2197914912 is a wasteful number, since it uses less digits than its factorization.

2197914912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13984 (or 13967 counting only the distinct ones).

The product of its digits is 81648, while the sum is 45.

The square root of 2197914912 is about 46881.9252164414. The cubic root of 2197914912 is about 1300.1804309721.

The spelling of 2197914912 in words is "two billion, one hundred ninety-seven million, nine hundred fourteen thousand, nine hundred twelve".