28223368107802 has 32 divisors (see below), whose sum is σ = 48430072361088. Its totient is φ = 12083945656896.

The previous prime is 28223368107799. The next prime is 28223368107833. The reversal of 28223368107802 is 20870186332282.

It is a self number, because there is not a number n which added to its sum of digits gives 28223368107802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63488568 + ... + 63931564.

It is an arithmetic number, because the mean of its divisors is an integer number (1513439761284).

Almost surely, 2^{28223368107802} is an apocalyptic number.

28223368107802 is a deficient number, since it is larger than the sum of its proper divisors (20206704253286).

28223368107802 is a wasteful number, since it uses less digits than its factorization.

28223368107802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447430.

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 28223368107802 in words is "twenty-eight trillion, two hundred twenty-three billion, three hundred sixty-eight million, one hundred seven thousand, eight hundred two".