16223472 has 30 divisors (see below), whose sum is σ = 45403592. Its totient is φ = 5407776.

The previous prime is 16223461. The next prime is 16223479. The reversal of 16223472 is 27432261.

16223472 is a `hidden beast` number, since 1 + 622 + 34 + 7 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16223479) 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, 56188 + ... + 56475.

Almost surely, 2^16223472 is an apocalyptic number.

16223472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16223472 is an abundant number, since it is smaller than the sum of its proper divisors (29180120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16223472 is a wasteful number, since it uses less digits than its factorization.

16223472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112677 (or 112668 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 16223472 is about 4027.8371367274. The cubic root of 16223472 is about 253.1519446397.

The spelling of 16223472 in words is "sixteen million, two hundred twenty-three thousand, four hundred seventy-two".