28226087253 has 120 divisors (see below), whose sum is σ = 53021928960. Its totient is φ = 14832175680.

The previous prime is 28226087249. The next prime is 28226087287. The reversal of 28226087253 is 35278062282.

It is a happy number.

It is not a de Polignac number, because 28226087253 - 2² = 28226087249 is a prime.

It is a super-2 number, since 2×28226087253² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28226087199 and 28226087208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28226087213) 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 119 ways as a sum of consecutive naturals, for example, 16045788 + ... + 16047546.

It is an arithmetic number, because the mean of its divisors is an integer number (441849408).

Almost surely, 2^28226087253 is an apocalyptic number.

It is an amenable number.

28226087253 is a deficient number, since it is larger than the sum of its proper divisors (24795841707).

28226087253 is a wasteful number, since it uses less digits than its factorization.

28226087253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109 (or 2093 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 28226087253 in words is "twenty-eight billion, two hundred twenty-six million, eighty-seven thousand, two hundred fifty-three".