3185204225 has 24 divisors (see below), whose sum is σ = 4542679488. Its totient is φ = 2170209600.

The previous prime is 3185204219. The next prime is 3185204233. The reversal of 3185204225 is 5224025813.

3185204225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3185204225 - 2¹² = 3185200129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3185204191 and 3185204200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30491 + ... + 85440.

It is an arithmetic number, because the mean of its divisors is an integer number (189278312).

Almost surely, 2^3185204225 is an apocalyptic number.

3185204225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3185204225 is a deficient number, since it is larger than the sum of its proper divisors (1357475263).

3185204225 is a wasteful number, since it uses less digits than its factorization.

3185204225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116105 (or 116100 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 3185204225 is about 56437.6135657772. The cubic root of 3185204225 is about 1471.3379191669.

The spelling of 3185204225 in words is "three billion, one hundred eighty-five million, two hundred four thousand, two hundred twenty-five".