100322750225 has 12 divisors (see below), whose sum is σ = 124457843340. Its totient is φ = 80221017600.

The previous prime is 100322750221. The next prime is 100322750239. The reversal of 100322750225 is 522057223001.

It can be written as a sum of positive squares in 6 ways, for example, as 31460881 + 100291289344 = 5609^2 + 316688^2 .

It is not a de Polignac number, because 100322750225 - 2² = 100322750221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100322750221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 874460 + ... + 982509.

It is an arithmetic number, because the mean of its divisors is an integer number (10371486945).

Almost surely, 2^100322750225 is an apocalyptic number.

It is an amenable number.

100322750225 is a deficient number, since it is larger than the sum of its proper divisors (24135093115).

100322750225 is a wasteful number, since it uses less digits than its factorization.

100322750225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859140 (or 1859135 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

Adding to 100322750225 its reverse (522057223001), we get a palindrome (622379973226).

The spelling of 100322750225 in words is "one hundred billion, three hundred twenty-two million, seven hundred fifty thousand, two hundred twenty-five".