346223261 has 4 divisors (see below), whose sum is σ = 350113500. Its totient is φ = 342333024.

The previous prime is 346223239. The next prime is 346223281. The reversal of 346223261 is 162322643.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 184144900 + 162078361 = 13570^2 + 12731^2 .

It is a cyclic number.

It is not a de Polignac number, because 346223261 - 2¹⁴ = 346206877 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 (346223201) 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, 1944986 + ... + 1945163.

It is an arithmetic number, because the mean of its divisors is an integer number (87528375).

Almost surely, 2^346223261 is an apocalyptic number.

It is an amenable number.

346223261 is a deficient number, since it is larger than the sum of its proper divisors (3890239).

346223261 is an equidigital number, since it uses as much as digits as its factorization.

346223261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890238.

The product of its digits is 10368, while the sum is 29.

The square root of 346223261 is about 18607.0755628067. The cubic root of 346223261 is about 702.1858617508.

The spelling of 346223261 in words is "three hundred forty-six million, two hundred twenty-three thousand, two hundred sixty-one".