825226106836 has 24 divisors (see below), whose sum is σ = 1449867240360. Its totient is φ = 410979072000.

The previous prime is 825226106777. The next prime is 825226106843. The reversal of 825226106836 is 638601622528.

It can be written as a sum of positive squares in 4 ways, for example, as 17665068100 + 807561038736 = 132910^2 + 898644^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 825226106836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4428996 + ... + 4611556.

It is an arithmetic number, because the mean of its divisors is an integer number (60411135015).

Almost surely, 2^825226106836 is an apocalyptic number.

It is an amenable number.

825226106836 is a deficient number, since it is larger than the sum of its proper divisors (624641133524).

825226106836 is a wasteful number, since it uses less digits than its factorization.

825226106836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187035 (or 187033 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 825226106836 in words is "eight hundred twenty-five billion, two hundred twenty-six million, one hundred six thousand, eight hundred thirty-six".