28671022 has 8 divisors (see below), whose sum is σ = 43524936. Its totient is φ = 14162712.

The previous prime is 28671017. The next prime is 28671023. The reversal of 28671022 is 22017682.

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 (28671023) 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, 86193 + ... + 86524.

It is an arithmetic number, because the mean of its divisors is an integer number (5440617).

Almost surely, 2^28671022 is an apocalyptic number.

28671022 is a deficient number, since it is larger than the sum of its proper divisors (14853914).

28671022 is a wasteful number, since it uses less digits than its factorization.

28671022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172802.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 28671022 is about 5354.5328461034. The cubic root of 28671022 is about 306.0655092064.

The spelling of 28671022 in words is "twenty-eight million, six hundred seventy-one thousand, twenty-two".