16232225 has 12 divisors (see below), whose sum is σ = 20181744. Its totient is φ = 12951120.

The previous prime is 16232219. The next prime is 16232299. The reversal of 16232225 is 52223261.

It is not a de Polignac number, because 16232225 - 2¹² = 16228129 is a prime.

It is a super-3 number, since 3×16232225³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16232225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13082 + ... + 14268.

It is an arithmetic number, because the mean of its divisors is an integer number (1681812).

Almost surely, 2^16232225 is an apocalyptic number.

It is an amenable number.

16232225 is a deficient number, since it is larger than the sum of its proper divisors (3949519).

16232225 is a wasteful number, since it uses less digits than its factorization.

16232225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744 (or 1739 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 16232225 is about 4028.9235535066. The cubic root of 16232225 is about 253.1974638847.

Adding to 16232225 its reverse (52223261), we get a palindrome (68455486).

The spelling of 16232225 in words is "sixteen million, two hundred thirty-two thousand, two hundred twenty-five".