2197876720 has 40 divisors (see below), whose sum is σ = 5503147776. Its totient is φ = 811523328.

The previous prime is 2197876717. The next prime is 2197876753. The reversal of 2197876720 is 276787912.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055632 + ... + 1057711.

Almost surely, 2^2197876720 is an apocalyptic number.

2197876720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2197876720 is an abundant number, since it is smaller than the sum of its proper divisors (3305271056).

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

2197876720 is a wasteful number, since it uses less digits than its factorization.

2197876720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113369 (or 2113363 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 49.

The square root of 2197876720 is about 46881.5178935154. The cubic root of 2197876720 is about 1300.1729000802.

The spelling of 2197876720 in words is "two billion, one hundred ninety-seven million, eight hundred seventy-six thousand, seven hundred twenty".