16223061 has 4 divisors (see below), whose sum is σ = 21630752. Its totient is φ = 10815372.

The previous prime is 16223041. The next prime is 16223063. The reversal of 16223061 is 16032261.

It is a happy number.

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 not a de Polignac number, because 16223061 - 2¹⁷ = 16091989 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 (16223063) 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, 2703841 + ... + 2703846.

It is an arithmetic number, because the mean of its divisors is an integer number (5407688).

Almost surely, 2^16223061 is an apocalyptic number.

It is an amenable number.

16223061 is a deficient number, since it is larger than the sum of its proper divisors (5407691).

16223061 is an equidigital number, since it uses as much as digits as its factorization.

16223061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5407690.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 16223061 is about 4027.7861164665. The cubic root of 16223061 is about 253.1498068662.

The spelling of 16223061 in words is "sixteen million, two hundred twenty-three thousand, sixty-one".