21884702214 has 32 divisors (see below), whose sum is σ = 44775392256. Its totient is φ = 7127755200.

The previous prime is 21884702197. The next prime is 21884702219. The reversal of 21884702214 is 41220748812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21884702219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104919 + ... + 234045.

It is an arithmetic number, because the mean of its divisors is an integer number (1399231008).

Almost surely, 2^21884702214 is an apocalyptic number.

21884702214 is an abundant number, since it is smaller than the sum of its proper divisors (22890690042).

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

21884702214 is a wasteful number, since it uses less digits than its factorization.

21884702214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129780.

The product of its (nonzero) digits is 57344, while the sum is 39.

The spelling of 21884702214 in words is "twenty-one billion, eight hundred eighty-four million, seven hundred two thousand, two hundred fourteen".