122442550566 has 16 divisors (see below), whose sum is σ = 279868687104. Its totient is φ = 34983585864.

The previous prime is 122442550543. The next prime is 122442550579. The reversal of 122442550566 is 665055244221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2915298823 = 122442550566 / (1 + 2 + 2 + 4 + 4 + 2 + 5 + 5 + 0 + 5 + 6 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1457649370 + ... + 1457649453.

It is an arithmetic number, because the mean of its divisors is an integer number (17491792944).

Almost surely, 2^122442550566 is an apocalyptic number.

122442550566 is an abundant number, since it is smaller than the sum of its proper divisors (157426136538).

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

122442550566 is a wasteful number, since it uses less digits than its factorization.

122442550566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915298835.

The product of its (nonzero) digits is 576000, while the sum is 42.

Adding to 122442550566 its reverse (665055244221), we get a palindrome (787497794787).

The spelling of 122442550566 in words is "one hundred twenty-two billion, four hundred forty-two million, five hundred fifty thousand, five hundred sixty-six".