122240422240566 has 64 divisors (see below), whose sum is σ = 298933807249920. Its totient is φ = 32545212860160.

The previous prime is 122240422240561. The next prime is 122240422240571. The reversal of 122240422240566 is 665042224042221.

It is an interprime number because it is at equal distance from previous prime (122240422240561) and next prime (122240422240571).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122240422240561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1255553671 + ... + 1255651026.

It is an arithmetic number, because the mean of its divisors is an integer number (4670840738280).

Almost surely, 2^{122240422240566} is an apocalyptic number.

122240422240566 is an abundant number, since it is smaller than the sum of its proper divisors (176693385009354).

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

122240422240566 is a wasteful number, since it uses less digits than its factorization.

122240422240566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511204789.

The product of its (nonzero) digits is 737280, while the sum is 42.

Adding to 122240422240566 its reverse (665042224042221), we get a palindrome (787282646282787).

The spelling of 122240422240566 in words is "one hundred twenty-two trillion, two hundred forty billion, four hundred twenty-two million, two hundred forty thousand, five hundred sixty-six".