349912225 has 24 divisors (see below), whose sum is σ = 487593792. Its totient is φ = 247156800.

The previous prime is 349912223. The next prime is 349912253. The reversal of 349912225 is 522219943.

It is not a de Polignac number, because 349912225 - 2¹ = 349912223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349912223) 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, 15931 + ... + 30880.

It is an arithmetic number, because the mean of its divisors is an integer number (20316408).

Almost surely, 2^349912225 is an apocalyptic number.

It is an amenable number.

349912225 is a deficient number, since it is larger than the sum of its proper divisors (137681567).

349912225 is a wasteful number, since it uses less digits than its factorization.

349912225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46857 (or 46852 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 349912225 is about 18705.9409012217. The cubic root of 349912225 is about 704.6709562195.

The spelling of 349912225 in words is "three hundred forty-nine million, nine hundred twelve thousand, two hundred twenty-five".