344400232 has 32 divisors (see below), whose sum is σ = 741535200. Its totient is φ = 148305600.

The previous prime is 344400223. The next prime is 344400233. The reversal of 344400232 is 232004443.

It is a super-2 number, since 2×344400232² = 237223039603307648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (344400233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101319 + ... + 104662.

It is an arithmetic number, because the mean of its divisors is an integer number (23172975).

Almost surely, 2^344400232 is an apocalyptic number.

It is an amenable number.

344400232 is an abundant number, since it is smaller than the sum of its proper divisors (397134968).

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

344400232 is a wasteful number, since it uses less digits than its factorization.

344400232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206017 (or 206013 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 344400232 is about 18558.0233861260. The cubic root of 344400232 is about 700.9512455213.

Adding to 344400232 its reverse (232004443), we get a palindrome (576404675).

The spelling of 344400232 in words is "three hundred forty-four million, four hundred thousand, two hundred thirty-two".