28222321026 has 32 divisors (see below), whose sum is σ = 56879456256. Its totient is φ = 9335250000.

The previous prime is 28222321003. The next prime is 28222321067. The reversal of 28222321026 is 62012322282.

It is a junction number, because it is equal to n+sod(n) for n = 28222320984 and 28222321002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373551 + ... + 442701.

It is an arithmetic number, because the mean of its divisors is an integer number (1777483008).

Almost surely, 2^28222321026 is an apocalyptic number.

28222321026 is an abundant number, since it is smaller than the sum of its proper divisors (28657135230).

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

28222321026 is a wasteful number, since it uses less digits than its factorization.

28222321026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69678.

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 28222321026 in words is "twenty-eight billion, two hundred twenty-two million, three hundred twenty-one thousand, twenty-six".