16340422 has 12 divisors (see below), whose sum is σ = 28512540. Its totient is φ = 7002996.

The previous prime is 16340411. The next prime is 16340479. The reversal of 16340422 is 22404361.

It is a happy number.

It is a super-2 number, since 2×16340422² = 534018782276168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16340393 and 16340402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83272 + ... + 83467.

It is an arithmetic number, because the mean of its divisors is an integer number (2376045).

Almost surely, 2^16340422 is an apocalyptic number.

16340422 is a deficient number, since it is larger than the sum of its proper divisors (12172118).

16340422 is a wasteful number, since it uses less digits than its factorization.

16340422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166755 (or 166748 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 16340422 is about 4042.3287842530. The cubic root of 16340422 is about 253.7587868539.

Adding to 16340422 its reverse (22404361), we get a palindrome (38744783).

The spelling of 16340422 in words is "sixteen million, three hundred forty thousand, four hundred twenty-two".