16772232 has 32 divisors (see below), whose sum is σ = 42825600. Its totient is φ = 5471424.

The previous prime is 16772227. The next prime is 16772243. The reversal of 16772232 is 23227761.

It is a nialpdrome in base 8 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 16772232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6307 + ... + 8562.

It is an arithmetic number, because the mean of its divisors is an integer number (1338300).

Almost surely, 2^16772232 is an apocalyptic number.

16772232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16772232 is an abundant number, since it is smaller than the sum of its proper divisors (26053368).

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

16772232 is a wasteful number, since it uses less digits than its factorization.

16772232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14925 (or 14921 counting only the distinct ones).

The product of its digits is 7056, while the sum is 30.

The square root of 16772232 is about 4095.3915563716. The cubic root of 16772232 is about 255.9746475545.

Adding to 16772232 its reverse (23227761), we get a palindrome (39999993).

The spelling of 16772232 in words is "sixteen million, seven hundred seventy-two thousand, two hundred thirty-two".