348921229 has 4 divisors (see below), whose sum is σ = 349026876. Its totient is φ = 348815584.

The previous prime is 348921217. The next prime is 348921233. The reversal of 348921229 is 922129843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 922129843 = 7069 ⋅130447.

It can be written as a sum of positive squares in 2 ways, for example, as 259145604 + 89775625 = 16098^2 + 9475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348921229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 348921191 and 348921200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348921269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47704 + ... + 54529.

It is an arithmetic number, because the mean of its divisors is an integer number (87256719).

Almost surely, 2^348921229 is an apocalyptic number.

It is an amenable number.

348921229 is a deficient number, since it is larger than the sum of its proper divisors (105647).

348921229 is a wasteful number, since it uses less digits than its factorization.

348921229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105646.

The product of its digits is 62208, while the sum is 40.

The square root of 348921229 is about 18679.4333158156. The cubic root of 348921229 is about 704.0050879077.

The spelling of 348921229 in words is "three hundred forty-eight million, nine hundred twenty-one thousand, two hundred twenty-nine".