343460221 has 24 divisors (see below), whose sum is σ = 384305856. Its totient is φ = 306633600.

The previous prime is 343460149. The next prime is 343460237. The reversal of 343460221 is 122064343.

It is not a de Polignac number, because 343460221 - 2¹¹ = 343458173 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343460261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1097161 + ... + 1097473.

It is an arithmetic number, because the mean of its divisors is an integer number (16012744).

Almost surely, 2^343460221 is an apocalyptic number.

It is an amenable number.

343460221 is a deficient number, since it is larger than the sum of its proper divisors (40845635).

343460221 is a wasteful number, since it uses less digits than its factorization.

343460221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 343460221 is about 18532.6798116193. The cubic root of 343460221 is about 700.3129355912.

The spelling of 343460221 in words is "three hundred forty-three million, four hundred sixty thousand, two hundred twenty-one".