2197487712 has 288 divisors, whose sum is σ = 7377350400. Its totient is φ = 568415232.

The previous prime is 2197487707. The next prime is 2197487713. The reversal of 2197487712 is 2177847912.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197487713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2055114 + ... + 2056182.

It is an arithmetic number, because the mean of its divisors is an integer number (25615800).

Almost surely, 2^2197487712 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 2197487712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3688675200).

2197487712 is an abundant number, since it is smaller than the sum of its proper divisors (5179862688).

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

2197487712 is a wasteful number, since it uses less digits than its factorization.

2197487712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1123 counting only the distinct ones).

The product of its digits is 395136, while the sum is 48.

The square root of 2197487712 is about 46877.3688681436. The cubic root of 2197487712 is about 1300.0961885435.

The spelling of 2197487712 in words is "two billion, one hundred ninety-seven million, four hundred eighty-seven thousand, seven hundred twelve".