344222431 has 16 divisors (see below), whose sum is σ = 407946240. Its totient is φ = 284185440.

The previous prime is 344222401. The next prime is 344222447. The reversal of 344222431 is 134222443.

It is a happy number.

It is not a de Polignac number, because 344222431 - 2¹³ = 344214239 is a prime.

It is a super-2 number, since 2×344222431² = 236978164007099522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344222396 and 344222405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344222401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92986 + ... + 96616.

It is an arithmetic number, because the mean of its divisors is an integer number (25496640).

Almost surely, 2^344222431 is an apocalyptic number.

344222431 is a deficient number, since it is larger than the sum of its proper divisors (63723809).

344222431 is a wasteful number, since it uses less digits than its factorization.

344222431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134.

The product of its digits is 4608, while the sum is 25.

The square root of 344222431 is about 18553.2323598881. The cubic root of 344222431 is about 700.8305997588.

Adding to 344222431 its reverse (134222443), we get a palindrome (478444874).

The spelling of 344222431 in words is "three hundred forty-four million, two hundred twenty-two thousand, four hundred thirty-one".