3549194225 has 12 divisors (see below), whose sum is σ = 4408835376. Its totient is φ = 2834300880.

The previous prime is 3549194219. The next prime is 3549194251. The reversal of 3549194225 is 5224919453.

It is a happy number.

It is not a de Polignac number, because 3549194225 - 2⁶ = 3549194161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112007 + ... + 140156.

It is an arithmetic number, because the mean of its divisors is an integer number (367402948).

Almost surely, 2^3549194225 is an apocalyptic number.

It is an amenable number.

3549194225 is a deficient number, since it is larger than the sum of its proper divisors (859641151).

3549194225 is a wasteful number, since it uses less digits than its factorization.

3549194225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252736 (or 252731 counting only the distinct ones).

The product of its digits is 388800, while the sum is 44.

The square root of 3549194225 is about 59575.1141417287. The cubic root of 3549194225 is about 1525.3748751434.

The spelling of 3549194225 in words is "three billion, five hundred forty-nine million, one hundred ninety-four thousand, two hundred twenty-five".