16226453 has 4 divisors (see below), whose sum is σ = 16235148. Its totient is φ = 16217760.

The previous prime is 16226429. The next prime is 16226459. The reversal of 16226453 is 35462261.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 35462261 = 107 ⋅331423.

It can be written as a sum of positive squares in 2 ways, for example, as 8514724 + 7711729 = 2918^2 + 2777^2 .

It is a cyclic number.

It is not a de Polignac number, because 16226453 - 2¹⁴ = 16210069 is a prime.

It is a super-2 number, since 2×16226453² = 526595553922418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16226459) 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, 278 + ... + 5703.

It is an arithmetic number, because the mean of its divisors is an integer number (4058787).

Almost surely, 2^16226453 is an apocalyptic number.

It is an amenable number.

16226453 is a deficient number, since it is larger than the sum of its proper divisors (8695).

16226453 is an equidigital number, since it uses as much as digits as its factorization.

16226453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8694.

The product of its digits is 8640, while the sum is 29.

The square root of 16226453 is about 4028.2071694490. The cubic root of 16226453 is about 253.1674489191.

The spelling of 16226453 in words is "sixteen million, two hundred twenty-six thousand, four hundred fifty-three".