16222943 has 8 divisors (see below), whose sum is σ = 18074880. Its totient is φ = 14433880.

The previous prime is 16222939. The next prime is 16222961. The reversal of 16222943 is 34922261.

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

It is a cyclic number.

It is not a de Polignac number, because 16222943 - 2² = 16222939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16222963) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 15173 + ... + 16206.

It is an arithmetic number, because the mean of its divisors is an integer number (2259360).

Almost surely, 2^16222943 is an apocalyptic number.

16222943 is a deficient number, since it is larger than the sum of its proper divisors (1851937).

16222943 is a wasteful number, since it uses less digits than its factorization.

16222943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31437.

The product of its digits is 5184, while the sum is 29.

The square root of 16222943 is about 4027.7714681943. The cubic root of 16222943 is about 253.1491930948.

The spelling of 16222943 in words is "sixteen million, two hundred twenty-two thousand, nine hundred forty-three".