344225401 has 16 divisors (see below), whose sum is σ = 393498000. Its totient is φ = 298303488.

The previous prime is 344225377. The next prime is 344225417. The reversal of 344225401 is 104522443.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 30085225 + 314140176 = 5485^2 + 17724^2 .

It is not a de Polignac number, because 344225401 - 2⁵ = 344225369 is a prime.

It is a super-2 number, since 2×344225401² = 236982253387221602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344225471) 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, 97495 + ... + 100963.

It is an arithmetic number, because the mean of its divisors is an integer number (24593625).

Almost surely, 2^344225401 is an apocalyptic number.

It is an amenable number.

344225401 is a deficient number, since it is larger than the sum of its proper divisors (49272599).

344225401 is a wasteful number, since it uses less digits than its factorization.

344225401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 344225401 is about 18553.3123996768. The cubic root of 344225401 is about 700.8326153750.

Adding to 344225401 its reverse (104522443), we get a palindrome (448747844).

The spelling of 344225401 in words is "three hundred forty-four million, two hundred twenty-five thousand, four hundred one".