16226025 has 12 divisors (see below), whose sum is σ = 26827152. Its totient is φ = 8653840.

The previous prime is 16225999. The next prime is 16226027. The reversal of 16226025 is 52062261.

It is not a de Polignac number, because 16226025 - 2⁶ = 16225961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16225986 and 16226004.

It is not an unprimeable number, because it can be changed into a prime (16226027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108099 + ... + 108248.

It is an arithmetic number, because the mean of its divisors is an integer number (2235596).

Almost surely, 2^16226025 is an apocalyptic number.

16226025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16226025 is a deficient number, since it is larger than the sum of its proper divisors (10601127).

16226025 is a wasteful number, since it uses less digits than its factorization.

16226025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216360 (or 216355 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 16226025 is about 4028.1540437277. The cubic root of 16226025 is about 253.1652229938.

Adding to 16226025 its reverse (52062261), we get a palindrome (68288286).

The spelling of 16226025 in words is "sixteen million, two hundred twenty-six thousand, twenty-five".