344630222 has 16 divisors (see below), whose sum is σ = 548058960. Its totient is φ = 161970048.

The previous prime is 344630219. The next prime is 344630243. The reversal of 344630222 is 222036443.

It is a junction number, because it is equal to n+sod(n) for n = 344630191 and 344630200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22073 + ... + 34299.

It is an arithmetic number, because the mean of its divisors is an integer number (34253685).

Almost surely, 2^344630222 is an apocalyptic number.

344630222 is a deficient number, since it is larger than the sum of its proper divisors (203428738).

344630222 is a wasteful number, since it uses less digits than its factorization.

344630222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13075.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 344630222 is about 18564.2188631787. The cubic root of 344630222 is about 701.1072422267.

Adding to 344630222 its reverse (222036443), we get a palindrome (566666665).

The spelling of 344630222 in words is "three hundred forty-four million, six hundred thirty thousand, two hundred twenty-two".