28022343 has 8 divisors (see below), whose sum is σ = 37440000. Its totient is φ = 18643128.

The previous prime is 28022339. The next prime is 28022347. The reversal of 28022343 is 34322082.

It is an interprime number because it is at equal distance from previous prime (28022339) and next prime (28022347).

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

It is not a de Polignac number, because 28022343 - 2² = 28022339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28022347) 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, 7863 + ... + 10856.

It is an arithmetic number, because the mean of its divisors is an integer number (4680000).

Almost surely, 2^28022343 is an apocalyptic number.

28022343 is a deficient number, since it is larger than the sum of its proper divisors (9417657).

28022343 is a wasteful number, since it uses less digits than its factorization.

28022343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19221.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 28022343 is about 5293.6134161837. The cubic root of 28022343 is about 303.7396453650.

The spelling of 28022343 in words is "twenty-eight million, twenty-two thousand, three hundred forty-three".