344442220 has 12 divisors (see below), whose sum is σ = 723328704. Its totient is φ = 137776880.

The previous prime is 344442113. The next prime is 344442239. The reversal of 344442220 is 22244443.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8611036 + ... + 8611075.

It is an arithmetic number, because the mean of its divisors is an integer number (60277392).

Almost surely, 2^344442220 is an apocalyptic number.

It is an amenable number.

344442220 is an abundant number, since it is smaller than the sum of its proper divisors (378886484).

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

344442220 is a wasteful number, since it uses less digits than its factorization.

344442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17222120 (or 17222118 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 344442220 is about 18559.1546143675. The cubic root of 344442220 is about 700.9797301565.

Adding to 344442220 its reverse (22244443), we get a palindrome (366686663).

The spelling of 344442220 in words is "three hundred forty-four million, four hundred forty-two thousand, two hundred twenty".