340144222 has 8 divisors (see below), whose sum is σ = 556599672. Its totient is φ = 154611000.

The previous prime is 340144187. The next prime is 340144223. The reversal of 340144222 is 222441043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 15461101 = 340144222 / (3 + 4 + 0 + 1 + 4 + 4 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 340144193 and 340144202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340144223) 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, 7730529 + ... + 7730572.

It is an arithmetic number, because the mean of its divisors is an integer number (69574959).

Almost surely, 2^340144222 is an apocalyptic number.

340144222 is a deficient number, since it is larger than the sum of its proper divisors (216455450).

340144222 is a wasteful number, since it uses less digits than its factorization.

340144222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15461114.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 340144222 is about 18442.9992680150. Note that the first 3 decimals coincide. The cubic root of 340144222 is about 698.0518772180.

Adding to 340144222 its reverse (222441043), we get a palindrome (562585265).

The spelling of 340144222 in words is "three hundred forty million, one hundred forty-four thousand, two hundred twenty-two".