16422525 has 36 divisors (see below), whose sum is σ = 33619872. Its totient is φ = 7506720.

The previous prime is 16422521. The next prime is 16422533. The reversal of 16422525 is 52522461.

It is not a de Polignac number, because 16422525 - 2² = 16422521 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422521) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3639 + ... + 6788.

Almost surely, 2^16422525 is an apocalyptic number.

16422525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16422525 is an abundant number, since it is smaller than the sum of its proper divisors (17197347).

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

16422525 is a wasteful number, since it uses less digits than its factorization.

16422525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10450 (or 10442 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 16422525 is about 4052.4714681290. The cubic root of 16422525 is about 254.1830835345.

Adding to 16422525 its reverse (52522461), we get a palindrome (68944986).

The spelling of 16422525 in words is "sixteen million, four hundred twenty-two thousand, five hundred twenty-five".