16243622 has 4 divisors (see below), whose sum is σ = 24365436. Its totient is φ = 8121810.

The previous prime is 16243609. The next prime is 16243649. The reversal of 16243622 is 22634261.

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

It is a junction number, because it is equal to n+sod(n) for n = 16243591 and 16243600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4060904 + ... + 4060907.

It is an arithmetic number, because the mean of its divisors is an integer number (6091359).

Almost surely, 2^16243622 is an apocalyptic number.

16243622 is a deficient number, since it is larger than the sum of its proper divisors (8121814).

16243622 is an equidigital number, since it uses as much as digits as its factorization.

16243622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8121813.

The product of its digits is 3456, while the sum is 26.

The square root of 16243622 is about 4030.3377029723. The cubic root of 16243622 is about 253.2567085126.

Adding to 16243622 its reverse (22634261), we get a palindrome (38877883).

The spelling of 16243622 in words is "sixteen million, two hundred forty-three thousand, six hundred twenty-two".