16372223 has 6 divisors (see below), whose sum is σ = 19045296. Its totient is φ = 14033292.

The previous prime is 16372219. The next prime is 16372229. The reversal of 16372223 is 32227361.

It is not a de Polignac number, because 16372223 - 2² = 16372219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16372192 and 16372201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16372229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167015 + ... + 167112.

It is an arithmetic number, because the mean of its divisors is an integer number (3174216).

Almost surely, 2^16372223 is an apocalyptic number.

16372223 is a deficient number, since it is larger than the sum of its proper divisors (2673073).

16372223 is an equidigital number, since it uses as much as digits as its factorization.

16372223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334141 (or 334134 counting only the distinct ones).

The product of its digits is 3024, while the sum is 26.

The square root of 16372223 is about 4046.2603722450. The cubic root of 16372223 is about 253.9232981869.

Adding to 16372223 its reverse (32227361), we get a palindrome (48599584).

The spelling of 16372223 in words is "sixteen million, three hundred seventy-two thousand, two hundred twenty-three".