16572232 has 16 divisors (see below), whose sum is σ = 31143600. Its totient is φ = 8267280.

The previous prime is 16572223. The next prime is 16572233. The reversal of 16572232 is 23227561.

It is a self number, because there is not a number n which added to its sum of digits gives 16572232.

It is not an unprimeable number, because it can be changed into a prime (16572233) 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, 1819 + ... + 6037.

It is an arithmetic number, because the mean of its divisors is an integer number (1946475).

Almost surely, 2^16572232 is an apocalyptic number.

It is an amenable number.

16572232 is a deficient number, since it is larger than the sum of its proper divisors (14571368).

16572232 is a wasteful number, since it uses less digits than its factorization.

16572232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4716 (or 4712 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 16572232 is about 4070.9006374511. The cubic root of 16572232 is about 254.9531222299.

Adding to 16572232 its reverse (23227561), we get a palindrome (39799793).

The spelling of 16572232 in words is "sixteen million, five hundred seventy-two thousand, two hundred thirty-two".