16422325 has 12 divisors (see below), whose sum is σ = 20416228. Its totient is φ = 13104000.

The previous prime is 16422319. The next prime is 16422331. The reversal of 16422325 is 52322461.

It is an interprime number because it is at equal distance from previous prime (16422319) and next prime (16422331).

It can be written as a sum of positive squares in 6 ways, for example, as 2232036 + 14190289 = 1494^2 + 3767^2 .

It is not a de Polignac number, because 16422325 - 2⁵ = 16422293 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 16422325.

It is a congruent number.

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, 14479 + ... + 15571.

Almost surely, 2^16422325 is an apocalyptic number.

It is an amenable number.

16422325 is a deficient number, since it is larger than the sum of its proper divisors (3993903).

16422325 is a wasteful number, since it uses less digits than its factorization.

16422325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704 (or 1699 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 16422325 is about 4052.4467917543. The cubic root of 16422325 is about 254.1820516830.

Adding to 16422325 its reverse (52322461), we get a palindrome (68744786).

The spelling of 16422325 in words is "sixteen million, four hundred twenty-two thousand, three hundred twenty-five".