16226243 has 4 divisors (see below), whose sum is σ = 17701368. Its totient is φ = 14751120.

The previous prime is 16226207. The next prime is 16226263. The reversal of 16226243 is 34262261.

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

It is a cyclic number.

It is not a de Polignac number, because 16226243 - 2⁸ = 16225987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16226263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737546 + ... + 737567.

It is an arithmetic number, because the mean of its divisors is an integer number (4425342).

Almost surely, 2^16226243 is an apocalyptic number.

16226243 is a deficient number, since it is larger than the sum of its proper divisors (1475125).

16226243 is a wasteful number, since it uses less digits than its factorization.

16226243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475124.

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

The square root of 16226243 is about 4028.1811031780. The cubic root of 16226243 is about 253.1663567644.

The spelling of 16226243 in words is "sixteen million, two hundred twenty-six thousand, two hundred forty-three".