28223209602 has 24 divisors (see below), whose sum is σ = 69886043136. Its totient is φ = 8063774136.

The previous prime is 28223209601. The next prime is 28223209603. The reversal of 28223209602 is 20690232282.

28223209602 is a `hidden beast` number, since 2 + 8 + 2 + 23 + 20 + 9 + 602 = 666.

It is an interprime number because it is at equal distance from previous prime (28223209601) and next prime (28223209603).

It is not an unprimeable number, because it can be changed into a prime (28223209601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111996738 + ... + 111996989.

It is an arithmetic number, because the mean of its divisors is an integer number (2911918464).

Almost surely, 2^28223209602 is an apocalyptic number.

28223209602 is an abundant number, since it is smaller than the sum of its proper divisors (41662833534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28223209602 is a wasteful number, since it uses less digits than its factorization.

28223209602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223993742 (or 223993739 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 28223209602 in words is "twenty-eight billion, two hundred twenty-three million, two hundred nine thousand, six hundred two".