221422053125117 has 16 divisors (see below), whose sum is σ = 255259074504000. Its totient is φ = 190350338390784.

The previous prime is 221422053125113. The next prime is 221422053125167. The reversal of 221422053125117 is 711521350224122.

It is not a de Polignac number, because 221422053125117 - 2² = 221422053125113 is a prime.

It is a super-2 number, since 2×221422053125117² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221422053125113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7596981692 + ... + 7597010837.

It is an arithmetic number, because the mean of its divisors is an integer number (15953692156500).

Almost surely, 2^{221422053125117} is an apocalyptic number.

It is an amenable number.

221422053125117 is a deficient number, since it is larger than the sum of its proper divisors (33837021378883).

221422053125117 is a wasteful number, since it uses less digits than its factorization.

221422053125117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15193992620.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 221422053125117 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, fifty-three million, one hundred twenty-five thousand, one hundred seventeen".