16225226017025 has 24 divisors (see below), whose sum is σ = 21309939228384. Its totient is φ = 12212527852800.

The previous prime is 16225226017009. The next prime is 16225226017037. The reversal of 16225226017025 is 52071062252261.

It is a happy number.

It is not a de Polignac number, because 16225226017025 - 2⁴ = 16225226017009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5162267 + ... + 7687616.

It is an arithmetic number, because the mean of its divisors is an integer number (887914134516).

Almost surely, 2^{16225226017025} is an apocalyptic number.

It is an amenable number.

16225226017025 is a deficient number, since it is larger than the sum of its proper divisors (5084713211359).

16225226017025 is a wasteful number, since it uses less digits than its factorization.

16225226017025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12852881 (or 12852876 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

Adding to 16225226017025 its reverse (52071062252261), we get a palindrome (68296288269286).

The spelling of 16225226017025 in words is "sixteen trillion, two hundred twenty-five billion, two hundred twenty-six million, seventeen thousand, twenty-five".