122219839 has 8 divisors (see below), whose sum is σ = 139819040. Its totient is φ = 104655456.

The previous prime is 122219831. The next prime is 122219869. The reversal of 122219839 is 938912221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122219839 - 2³ = 122219831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122219798 and 122219807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122219831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684 + ... + 15649.

It is an arithmetic number, because the mean of its divisors is an integer number (17477380).

Almost surely, 2^122219839 is an apocalyptic number.

122219839 is a deficient number, since it is larger than the sum of its proper divisors (17599201).

122219839 is a wasteful number, since it uses less digits than its factorization.

122219839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17409.

The product of its digits is 15552, while the sum is 37.

The square root of 122219839 is about 11055.3081820454. The cubic root of 122219839 is about 496.2652920353.

It can be divided in two parts, 122 and 219839, that added together give a square (219961 = 469²).

The spelling of 122219839 in words is "one hundred twenty-two million, two hundred nineteen thousand, eight hundred thirty-nine".