122455566669 has 16 divisors (see below), whose sum is σ = 164356024320. Its totient is φ = 81097020720.

The previous prime is 122455566647. The next prime is 122455566697. The reversal of 122455566669 is 966665554221.

It is not a de Polignac number, because 122455566669 - 2⁸ = 122455566413 is a prime.

It is a super-2 number, since 2×122455566669² (a number of 23 digits) contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122455566619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404004 + ... + 638850.

It is an arithmetic number, because the mean of its divisors is an integer number (10272251520).

Almost surely, 2^122455566669 is an apocalyptic number.

It is an amenable number.

122455566669 is a deficient number, since it is larger than the sum of its proper divisors (41900457651).

122455566669 is a wasteful number, since it uses less digits than its factorization.

122455566669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236000.

The product of its digits is 23328000, while the sum is 57.

The spelling of 122455566669 in words is "one hundred twenty-two billion, four hundred fifty-five million, five hundred sixty-six thousand, six hundred sixty-nine".