122666225 has 24 divisors (see below), whose sum is σ = 171298560. Its totient is φ = 86328000.

The previous prime is 122666197. The next prime is 122666227. The reversal of 122666225 is 522666221.

It is not a de Polignac number, because 122666225 - 2¹⁰ = 122665201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122666191 and 122666200.

It is not an unprimeable number, because it can be changed into a prime (122666227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1331 + ... + 15719.

It is an arithmetic number, because the mean of its divisors is an integer number (7137440).

Almost surely, 2^122666225 is an apocalyptic number.

It is an amenable number.

122666225 is a deficient number, since it is larger than the sum of its proper divisors (48632335).

122666225 is a wasteful number, since it uses less digits than its factorization.

122666225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14441 (or 14436 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 122666225 is about 11075.4785449659. The cubic root of 122666225 is about 496.8687312475.

The spelling of 122666225 in words is "one hundred twenty-two million, six hundred sixty-six thousand, two hundred twenty-five".