16226493 has 4 divisors (see below), whose sum is σ = 21635328. Its totient is φ = 10817660.

The previous prime is 16226491. The next prime is 16226501. The reversal of 16226493 is 39462261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16226493 - 2¹ = 16226491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16226491) 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, 2704413 + ... + 2704418.

It is an arithmetic number, because the mean of its divisors is an integer number (5408832).

Almost surely, 2^16226493 is an apocalyptic number.

It is an amenable number.

16226493 is a deficient number, since it is larger than the sum of its proper divisors (5408835).

16226493 is an equidigital number, since it uses as much as digits as its factorization.

16226493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408834.

The product of its digits is 15552, while the sum is 33.

The square root of 16226493 is about 4028.2121344338. The cubic root of 16226493 is about 253.1676569476.

The spelling of 16226493 in words is "sixteen million, two hundred twenty-six thousand, four hundred ninety-three".