349522231 has 2 divisors, whose sum is σ = 349522232. Its totient is φ = 349522230.

The previous prime is 349522163. The next prime is 349522259. The reversal of 349522231 is 132225943.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 349522231 - 2¹⁵ = 349489463 is a prime.

It is a super-2 number, since 2×349522231² = 244331579926434722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 349522193 and 349522202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349522031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174761115 + 174761116.

It is an arithmetic number, because the mean of its divisors is an integer number (174761116).

Almost surely, 2^349522231 is an apocalyptic number.

349522231 is a deficient number, since it is larger than the sum of its proper divisors (1).

349522231 is an equidigital number, since it uses as much as digits as its factorization.

349522231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 349522231 is about 18695.5136596992. The cubic root of 349522231 is about 704.4090623429.

The spelling of 349522231 in words is "three hundred forty-nine million, five hundred twenty-two thousand, two hundred thirty-one".