344222440 has 16 divisors (see below), whose sum is σ = 774500580. Its totient is φ = 137688960.

The previous prime is 344222401. The next prime is 344222447. The reversal of 344222440 is 44222443.

It can be written as a sum of positive squares in 2 ways, for example, as 343954116 + 268324 = 18546^2 + 518^2 .

It is not an unprimeable number, because it can be changed into a prime (344222447) 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, 4302741 + ... + 4302820.

Almost surely, 2^344222440 is an apocalyptic number.

It is an amenable number.

344222440 is an abundant number, since it is smaller than the sum of its proper divisors (430278140).

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

344222440 is a wasteful number, since it uses less digits than its factorization.

344222440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8605572 (or 8605568 counting only the distinct ones).

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

The square root of 344222440 is about 18553.2326024335. The cubic root of 344222440 is about 700.8306058668.

Adding to 344222440 its reverse (44222443), we get a palindrome (388444883).

It can be divided in two parts, 344 and 222440, that added together give a square (222784 = 472²).

The spelling of 344222440 in words is "three hundred forty-four million, two hundred twenty-two thousand, four hundred forty".