122206146 has 8 divisors (see below), whose sum is σ = 244412304. Its totient is φ = 40735380.

The previous prime is 122206109. The next prime is 122206151. The reversal of 122206146 is 641602221.

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

122206146 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10183840 + ... + 10183851.

It is an arithmetic number, because the mean of its divisors is an integer number (30551538).

Almost surely, 2^122206146 is an apocalyptic number.

122206146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122206146 is a wasteful number, since it uses less digits than its factorization.

122206146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20367696.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 122206146 is about 11054.6888694345. The cubic root of 122206146 is about 496.2467581800.

Adding to 122206146 its reverse (641602221), we get a palindrome (763808367).

The spelling of 122206146 in words is "one hundred twenty-two million, two hundred six thousand, one hundred forty-six".