122206664 has 8 divisors (see below), whose sum is σ = 229137510. Its totient is φ = 61103328.

The previous prime is 122206663. The next prime is 122206673. The reversal of 122206664 is 466602221.

It can be written as a sum of positive squares in only one way, i.e., 121925764 + 280900 = 11042^2 + 530^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (122206663) 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 as a sum of consecutive naturals, namely, 7637909 + ... + 7637924.

Almost surely, 2^122206664 is an apocalyptic number.

It is an amenable number.

122206664 is a deficient number, since it is larger than the sum of its proper divisors (106930846).

122206664 is a wasteful number, since it uses less digits than its factorization.

122206664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15275839 (or 15275835 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 122206664 is about 11054.7122983821. The cubic root of 122206664 is about 496.2474593326.

Adding to 122206664 its reverse (466602221), we get a palindrome (588808885).

The spelling of 122206664 in words is "one hundred twenty-two million, two hundred six thousand, six hundred sixty-four".