16222772 has 12 divisors (see below), whose sum is σ = 28452480. Its totient is φ = 8093496.

The previous prime is 16222771. The next prime is 16222807. The reversal of 16222772 is 27722261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16222771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2318 + ... + 6149.

It is an arithmetic number, because the mean of its divisors is an integer number (2371040).

Almost surely, 2^16222772 is an apocalyptic number.

It is an amenable number.

16222772 is a deficient number, since it is larger than the sum of its proper divisors (12229708).

16222772 is a wasteful number, since it uses less digits than its factorization.

16222772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8950 (or 8948 counting only the distinct ones).

The product of its digits is 4704, while the sum is 29.

The square root of 16222772 is about 4027.7502405189. The cubic root of 16222772 is about 253.1483036412.

The spelling of 16222772 in words is "sixteen million, two hundred twenty-two thousand, seven hundred seventy-two".