346264221 has 8 divisors (see below), whose sum is σ = 463602304. Its totient is φ = 229884480.

The previous prime is 346264213. The next prime is 346264249. The reversal of 346264221 is 122462643.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 346264221 - 2³ = 346264213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346264271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238741 + ... + 240186.

It is an arithmetic number, because the mean of its divisors is an integer number (57950288).

Almost surely, 2^346264221 is an apocalyptic number.

It is an amenable number.

346264221 is a deficient number, since it is larger than the sum of its proper divisors (117338083).

346264221 is a wasteful number, since it uses less digits than its factorization.

346264221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479171.

The product of its digits is 13824, while the sum is 30.

The square root of 346264221 is about 18608.1761868271. The cubic root of 346264221 is about 702.2135513969.

The spelling of 346264221 in words is "three hundred forty-six million, two hundred sixty-four thousand, two hundred twenty-one".