344422454 has 4 divisors (see below), whose sum is σ = 516633684. Its totient is φ = 172211226.

The previous prime is 344422417. The next prime is 344422457. The reversal of 344422454 is 454224443.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 344422454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344422457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86105612 + ... + 86105615.

It is an arithmetic number, because the mean of its divisors is an integer number (129158421).

Almost surely, 2^344422454 is an apocalyptic number.

344422454 is a deficient number, since it is larger than the sum of its proper divisors (172211230).

344422454 is a wasteful number, since it uses less digits than its factorization.

344422454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172211229.

The product of its digits is 61440, while the sum is 32.

The square root of 344422454 is about 18558.6220932482. The cubic root of 344422454 is about 700.9663212018.

Adding to 344422454 its reverse (454224443), we get a palindrome (798646897).

The spelling of 344422454 in words is "three hundred forty-four million, four hundred twenty-two thousand, four hundred fifty-four".