28998769222 has 8 divisors (see below), whose sum is σ = 44094019176. Its totient is φ = 14300762832.

The previous prime is 28998769213. The next prime is 28998769243. The reversal of 28998769222 is 22296789982.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99310708 + ... + 99310999.

It is an arithmetic number, because the mean of its divisors is an integer number (5511752397).

Almost surely, 2^28998769222 is an apocalyptic number.

28998769222 is a deficient number, since it is larger than the sum of its proper divisors (15095249954).

28998769222 is a wasteful number, since it uses less digits than its factorization.

28998769222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198621782.

The product of its digits is 31352832, while the sum is 64.

The spelling of 28998769222 in words is "twenty-eight billion, nine hundred ninety-eight million, seven hundred sixty-nine thousand, two hundred twenty-two".