344410220 has 144 divisors (see below), whose sum is σ = 940439808. Its totient is φ = 104711040.

The previous prime is 344410201. The next prime is 344410229. The reversal of 344410220 is 22014443.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 344410192 and 344410201.

It is not an unprimeable number, because it can be changed into a prime (344410229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 463169 + ... + 463911.

It is an arithmetic number, because the mean of its divisors is an integer number (6530832).

Almost surely, 2^344410220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344410220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470219904).

344410220 is an abundant number, since it is smaller than the sum of its proper divisors (596029588).

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

344410220 is a wasteful number, since it uses less digits than its factorization.

344410220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 344410220 is about 18558.2924861098. The cubic root of 344410220 is about 700.9580215847.

Adding to 344410220 its reverse (22014443), we get a palindrome (366424663).

The spelling of 344410220 in words is "three hundred forty-four million, four hundred ten thousand, two hundred twenty".