36500822225 has 24 divisors (see below), whose sum is σ = 51748675968. Its totient is φ = 25018588800.

The previous prime is 36500822221. The next prime is 36500822257. The reversal of 36500822225 is 52222800563.

It is not a de Polignac number, because 36500822225 - 2² = 36500822221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36500822221) 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, 384452 + ... + 469898.

It is an arithmetic number, because the mean of its divisors is an integer number (2156194832).

Almost surely, 2^36500822225 is an apocalyptic number.

36500822225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36500822225 is a deficient number, since it is larger than the sum of its proper divisors (15247853743).

36500822225 is a wasteful number, since it uses less digits than its factorization.

36500822225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87905 (or 87900 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 36500822225 in words is "thirty-six billion, five hundred million, eight hundred twenty-two thousand, two hundred twenty-five".