162221105715 has 8 divisors (see below), whose sum is σ = 259553769168. Its totient is φ = 86517923040.

The previous prime is 162221105639. The next prime is 162221105723. The reversal of 162221105715 is 517501122261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 162221105715 - 2⁷ = 162221105587 is a prime.

It is a super-2 number, since 2×162221105715² (a number of 23 digits) contains 22 as substring.

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, 5407370176 + ... + 5407370205.

It is an arithmetic number, because the mean of its divisors is an integer number (32444221146).

Almost surely, 2^162221105715 is an apocalyptic number.

162221105715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

162221105715 is a deficient number, since it is larger than the sum of its proper divisors (97332663453).

162221105715 is a wasteful number, since it uses less digits than its factorization.

162221105715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10814740389.

The product of its (nonzero) digits is 8400, while the sum is 33.

Adding to 162221105715 its reverse (517501122261), we get a palindrome (679722227976).

The spelling of 162221105715 in words is "one hundred sixty-two billion, two hundred twenty-one million, one hundred five thousand, seven hundred fifteen".