825510122 has 8 divisors (see below), whose sum is σ = 1241061696. Its totient is φ = 411822892.

The previous prime is 825510121. The next prime is 825510131. The reversal of 825510122 is 221015528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 825510091 and 825510100.

It is not an unprimeable number, because it can be changed into a prime (825510121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464978 + ... + 466749.

It is an arithmetic number, because the mean of its divisors is an integer number (155132712).

Almost surely, 2^825510122 is an apocalyptic number.

825510122 is a deficient number, since it is larger than the sum of its proper divisors (415551574).

825510122 is a wasteful number, since it uses less digits than its factorization.

825510122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932172.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 825510122 is about 28731.6919446106. The cubic root of 825510122 is about 938.0819960053.

The spelling of 825510122 in words is "eight hundred twenty-five million, five hundred ten thousand, one hundred twenty-two".