122261668 has 12 divisors (see below), whose sum is σ = 214155340. Its totient is φ = 61074432.

The previous prime is 122261663. The next prime is 122261669. The reversal of 122261668 is 866162221.

It can be written as a sum of positive squares in 2 ways, for example, as 32353344 + 89908324 = 5688^2 + 9482^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (122261663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9021 + ... + 18052.

Almost surely, 2^122261668 is an apocalyptic number.

It is an amenable number.

122261668 is a deficient number, since it is larger than the sum of its proper divisors (91893672).

122261668 is a wasteful number, since it uses less digits than its factorization.

122261668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28206 (or 28204 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 122261668 is about 11057.1998263575. The cubic root of 122261668 is about 496.3219001752.

The spelling of 122261668 in words is "one hundred twenty-two million, two hundred sixty-one thousand, six hundred sixty-eight".