16223822 has 4 divisors (see below), whose sum is σ = 24335736. Its totient is φ = 8111910.

The previous prime is 16223821. The next prime is 16223833. The reversal of 16223822 is 22832261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22832261 = 23 ⋅992707.

It is a super-3 number, since 3×16223822³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16223791 and 16223800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16223821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4055954 + ... + 4055957.

It is an arithmetic number, because the mean of its divisors is an integer number (6083934).

Almost surely, 2^16223822 is an apocalyptic number.

16223822 is a deficient number, since it is larger than the sum of its proper divisors (8111914).

16223822 is an equidigital number, since it uses as much as digits as its factorization.

16223822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111913.

The product of its digits is 2304, while the sum is 26.

The square root of 16223822 is about 4027.8805841286. The cubic root of 16223822 is about 253.1537650997.

The spelling of 16223822 in words is "sixteen million, two hundred twenty-three thousand, eight hundred twenty-two".