221722390005 has 16 divisors (see below), whose sum is σ = 355484287104. Its totient is φ = 118009120320.

The previous prime is 221722389979. The next prime is 221722390009. The reversal of 221722390005 is 500093227122.

It is not a de Polignac number, because 221722390005 - 2¹⁰ = 221722388981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221722390009) 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, 15168766 + ... + 15183375.

It is an arithmetic number, because the mean of its divisors is an integer number (22217767944).

Almost surely, 2^221722390005 is an apocalyptic number.

It is an amenable number.

221722390005 is a deficient number, since it is larger than the sum of its proper divisors (133761897099).

221722390005 is a wasteful number, since it uses less digits than its factorization.

221722390005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30352636.

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 221722390005 in words is "two hundred twenty-one billion, seven hundred twenty-two million, three hundred ninety thousand, five".