16222722 has 8 divisors (see below), whose sum is σ = 32445456. Its totient is φ = 5407572.

The previous prime is 16222697. The next prime is 16222727. The reversal of 16222722 is 22722261.

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

16222722 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 16222692 and 16222701.

It is not an unprimeable number, because it can be changed into a prime (16222727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351888 + ... + 1351899.

It is an arithmetic number, because the mean of its divisors is an integer number (4055682).

Almost surely, 2^16222722 is an apocalyptic number.

16222722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16222722 is a wasteful number, since it uses less digits than its factorization.

16222722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703792.

The product of its digits is 1344, while the sum is 24.

The square root of 16222722 is about 4027.7440335751. The cubic root of 16222722 is about 253.1480435659.

Adding to 16222722 its reverse (22722261), we get a palindrome (38944983).

The spelling of 16222722 in words is "sixteen million, two hundred twenty-two thousand, seven hundred twenty-two".