28224710244 has 72 divisors (see below), whose sum is σ = 74746683648. Its totient is φ = 8968829760.

The previous prime is 28224710243. The next prime is 28224710257. The reversal of 28224710244 is 44201742282.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 28224710199 and 28224710208.

It is not an unprimeable number, because it can be changed into a prime (28224710243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113967 + ... + 263510.

It is an arithmetic number, because the mean of its divisors is an integer number (1038148384).

Almost surely, 2^28224710244 is an apocalyptic number.

It is an amenable number.

28224710244 is an abundant number, since it is smaller than the sum of its proper divisors (46521973404).

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

28224710244 is a wasteful number, since it uses less digits than its factorization.

28224710244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377585 (or 377580 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 36.

The spelling of 28224710244 in words is "twenty-eight billion, two hundred twenty-four million, seven hundred ten thousand, two hundred forty-four".