28223066435 has 32 divisors (see below), whose sum is σ = 36095431680. Its totient is φ = 21140051328.

The previous prime is 28223066419. The next prime is 28223066437. The reversal of 28223066435 is 53466032282.

It is a cyclic number.

It is not a de Polignac number, because 28223066435 - 2⁴ = 28223066419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28223066392 and 28223066401.

It is not an unprimeable number, because it can be changed into a prime (28223066437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1026842 + ... + 1053968.

It is an arithmetic number, because the mean of its divisors is an integer number (1127982240).

Almost surely, 2^28223066435 is an apocalyptic number.

28223066435 is a deficient number, since it is larger than the sum of its proper divisors (7872365245).

28223066435 is a wasteful number, since it uses less digits than its factorization.

28223066435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27347.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 28223066435 in words is "twenty-eight billion, two hundred twenty-three million, sixty-six thousand, four hundred thirty-five".