344422266 has 16 divisors (see below), whose sum is σ = 689520000. Its totient is φ = 114694848.

The previous prime is 344422229. The next prime is 344422283. The reversal of 344422266 is 662224443.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21391 + ... + 33858.

It is an arithmetic number, because the mean of its divisors is an integer number (43095000).

Almost surely, 2^344422266 is an apocalyptic number.

344422266 is the 11738-th centered pentagonal number.

344422266 is an abundant number, since it is smaller than the sum of its proper divisors (345097734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344422266 is a wasteful number, since it uses less digits than its factorization.

344422266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56293.

The product of its digits is 55296, while the sum is 33.

The square root of 344422266 is about 18558.6170282163. The cubic root of 344422266 is about 700.9661936630.

The spelling of 344422266 in words is "three hundred forty-four million, four hundred twenty-two thousand, two hundred sixty-six".