28022484084644 has 12 divisors (see below), whose sum is σ = 56044968169344. Its totient is φ = 12009636036264.

The previous prime is 28022484084583. The next prime is 28022484084667. The reversal of 28022484084644 is 44648048422082.

It is a happy number.

28022484084644 is an admirable number.

It is a super-2 number, since 2×28022484084644² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28022484084644.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500401501484 + ... + 500401501539.

It is an arithmetic number, because the mean of its divisors is an integer number (4670414014112).

Almost surely, 2^{28022484084644} is an apocalyptic number.

It is an amenable number.

28022484084644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28022484084644 is a wasteful number, since it uses less digits than its factorization.

28022484084644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000803003034 (or 1000803003032 counting only the distinct ones).

The product of its (nonzero) digits is 25165824, while the sum is 56.

The spelling of 28022484084644 in words is "twenty-eight trillion, twenty-two billion, four hundred eighty-four million, eighty-four thousand, six hundred forty-four".