122217667 has 16 divisors (see below), whose sum is σ = 144920160. Its totient is φ = 101606400.

The previous prime is 122217659. The next prime is 122217677. The reversal of 122217667 is 766712221.

It is a cyclic number.

It is not a de Polignac number, because 122217667 - 2³ = 122217659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122217617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11667 + ... + 19507.

It is an arithmetic number, because the mean of its divisors is an integer number (9057510).

Almost surely, 2^122217667 is an apocalyptic number.

122217667 is a deficient number, since it is larger than the sum of its proper divisors (22702493).

122217667 is a wasteful number, since it uses less digits than its factorization.

122217667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7974.

The product of its digits is 14112, while the sum is 34.

The square root of 122217667 is about 11055.2099482552. The cubic root of 122217667 is about 496.2623522655.

Adding to 122217667 its reverse (766712221), we get a palindrome (888929888).

The spelling of 122217667 in words is "one hundred twenty-two million, two hundred seventeen thousand, six hundred sixty-seven".