16220141225 has 12 divisors (see below), whose sum is σ = 20126159760. Its totient is φ = 12967606800.

The previous prime is 16220141221. The next prime is 16220141233. The reversal of 16220141225 is 52214102261.

It is not a de Polignac number, because 16220141225 - 2² = 16220141221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16220141194 and 16220141203.

It is not an unprimeable number, because it can be changed into a prime (16220141221) 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, 173615 + ... + 250164.

It is an arithmetic number, because the mean of its divisors is an integer number (1677179980).

Almost surely, 2^16220141225 is an apocalyptic number.

It is an amenable number.

16220141225 is a deficient number, since it is larger than the sum of its proper divisors (3906018535).

16220141225 is a wasteful number, since it uses less digits than its factorization.

16220141225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425320 (or 425315 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 16220141225 its reverse (52214102261), we get a palindrome (68434243486).

The spelling of 16220141225 in words is "sixteen billion, two hundred twenty million, one hundred forty-one thousand, two hundred twenty-five".