122319666 has 32 divisors (see below), whose sum is σ = 310654080. Its totient is φ = 34948368.

The previous prime is 122319661. The next prime is 122319677. The reversal of 122319666 is 666913221.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 122319666.

It is not an unprimeable number, because it can be changed into a prime (122319661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161421 + ... + 162176.

It is an arithmetic number, because the mean of its divisors is an integer number (9707940).

Almost surely, 2^122319666 is an apocalyptic number.

122319666 is an abundant number, since it is smaller than the sum of its proper divisors (188334414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122319666 is a wasteful number, since it uses less digits than its factorization.

122319666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323615 (or 323609 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 122319666 is about 11059.8221504688. The cubic root of 122319666 is about 496.4003688331.

The spelling of 122319666 in words is "one hundred twenty-two million, three hundred nineteen thousand, six hundred sixty-six".