349019225 has 6 divisors (see below), whose sum is σ = 432783870. Its totient is φ = 279215360.

The previous prime is 349019221. The next prime is 349019243. The reversal of 349019225 is 522910943.

It can be written as a sum of positive squares in 3 ways, for example, as 5139289 + 343879936 = 2267^2 + 18544^2 .

It is not a de Polignac number, because 349019225 - 2² = 349019221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349019221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6980360 + ... + 6980409.

It is an arithmetic number, because the mean of its divisors is an integer number (72130645).

Almost surely, 2^349019225 is an apocalyptic number.

It is an amenable number.

349019225 is a deficient number, since it is larger than the sum of its proper divisors (83764645).

349019225 is a wasteful number, since it uses less digits than its factorization.

349019225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13960779 (or 13960774 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 349019225 is about 18682.0562305117. The cubic root of 349019225 is about 704.0709893387.

The spelling of 349019225 in words is "three hundred forty-nine million, nineteen thousand, two hundred twenty-five".