349697222 has 24 divisors (see below), whose sum is σ = 616493304. Its totient is φ = 148321152.

The previous prime is 349697219. The next prime is 349697239. The reversal of 349697222 is 222796943.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8888 + ... + 27899.

It is an arithmetic number, because the mean of its divisors is an integer number (25687221).

Almost surely, 2^349697222 is an apocalyptic number.

349697222 is a deficient number, since it is larger than the sum of its proper divisors (266796082).

349697222 is a wasteful number, since it uses less digits than its factorization.

349697222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36900 (or 36893 counting only the distinct ones).

The product of its digits is 326592, while the sum is 44.

The square root of 349697222 is about 18700.1931006073. The cubic root of 349697222 is about 704.5265986727.

The spelling of 349697222 in words is "three hundred forty-nine million, six hundred ninety-seven thousand, two hundred twenty-two".