122444440221 has 32 divisors (see below), whose sum is σ = 168187041792. Its totient is φ = 79203138560.

The previous prime is 122444440211. The next prime is 122444440267. The reversal of 122444440221 is 122044444221.

It is a cyclic number.

It is not a de Polignac number, because 122444440221 - 2¹⁵ = 122444407453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122444440211) 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, 8275396 + ... + 8290178.

It is an arithmetic number, because the mean of its divisors is an integer number (5255845056).

Almost surely, 2^122444440221 is an apocalyptic number.

It is an amenable number.

122444440221 is a deficient number, since it is larger than the sum of its proper divisors (45742601571).

122444440221 is a wasteful number, since it uses less digits than its factorization.

122444440221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15413.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 122444440221 its reverse (122044444221), we get a palindrome (244488884442).

The spelling of 122444440221 in words is "one hundred twenty-two billion, four hundred forty-four million, four hundred forty thousand, two hundred twenty-one".