346160221 has 16 divisors (see below), whose sum is σ = 398122560. Its totient is φ = 297665280.

The previous prime is 346160209. The next prime is 346160231. The reversal of 346160221 is 122061643.

It is not a de Polignac number, because 346160221 - 2¹¹ = 346158173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346160201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266245 + ... + 267541.

It is an arithmetic number, because the mean of its divisors is an integer number (24882660).

Almost surely, 2^346160221 is an apocalyptic number.

It is an amenable number.

346160221 is a deficient number, since it is larger than the sum of its proper divisors (51962339).

346160221 is a wasteful number, since it uses less digits than its factorization.

346160221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 346160221 is about 18605.3815064352. The cubic root of 346160221 is about 702.1432413873.

The spelling of 346160221 in words is "three hundred forty-six million, one hundred sixty thousand, two hundred twenty-one".