2201691984 has 40 divisors (see below), whose sum is σ = 5689418592. Its totient is φ = 733676160.

The previous prime is 2201691983. The next prime is 2201692033. The reversal of 2201691984 is 4891961022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201691983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261342 + ... + 269634.

Almost surely, 2^2201691984 is an apocalyptic number.

2201691984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2201691984 is an abundant number, since it is smaller than the sum of its proper divisors (3487726608).

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

2201691984 is a wasteful number, since it uses less digits than its factorization.

2201691984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13835 (or 13829 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 2201691984 is about 46922.1907416949. The cubic root of 2201691984 is about 1300.9247826114.

The spelling of 2201691984 in words is "two billion, two hundred one million, six hundred ninety-one thousand, nine hundred eighty-four".