22249560402728 has 64 divisors (see below), whose sum is σ = 43563657580800. Its totient is φ = 10642794405120.

The previous prime is 22249560402721. The next prime is 22249560402781. The reversal of 22249560402728 is 82720406594222.

It is a super-2 number, since 2×22249560402728² (a number of 27 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 22249560402728.

It is not an unprimeable number, because it can be changed into a prime (22249560402721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49738283 + ... + 50183621.

It is an arithmetic number, because the mean of its divisors is an integer number (680682149700).

Almost surely, 2^{22249560402728} is an apocalyptic number.

It is an amenable number.

22249560402728 is a deficient number, since it is larger than the sum of its proper divisors (21314097178072).

22249560402728 is a wasteful number, since it uses less digits than its factorization.

22249560402728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448210 (or 448206 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 22249560402728 in words is "twenty-two trillion, two hundred forty-nine billion, five hundred sixty million, four hundred two thousand, seven hundred twenty-eight".