28081522214 has 8 divisors (see below), whose sum is σ = 42531237840. Its totient is φ = 13904442936.

The previous prime is 28081522211. The next prime is 28081522229. The reversal of 28081522214 is 41222518082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28081522211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68158829 + ... + 68159240.

It is an arithmetic number, because the mean of its divisors is an integer number (5316404730).

Almost surely, 2^28081522214 is an apocalyptic number.

28081522214 is a deficient number, since it is larger than the sum of its proper divisors (14449715626).

28081522214 is a wasteful number, since it uses less digits than its factorization.

28081522214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136318174.

The product of its (nonzero) digits is 20480, while the sum is 35.

The spelling of 28081522214 in words is "twenty-eight billion, eighty-one million, five hundred twenty-two thousand, two hundred fourteen".