22154265166 has 8 divisors (see below), whose sum is σ = 36252433944. Its totient is φ = 10070120520.

The previous prime is 22154265163. The next prime is 22154265247. The reversal of 22154265166 is 66156245122.

It is a happy number.

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

It is a super-2 number, since 2×22154265166² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22154265163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503506005 + ... + 503506048.

It is an arithmetic number, because the mean of its divisors is an integer number (4531554243).

Almost surely, 2^22154265166 is an apocalyptic number.

22154265166 is a deficient number, since it is larger than the sum of its proper divisors (14098168778).

22154265166 is a wasteful number, since it uses less digits than its factorization.

22154265166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007012066.

The product of its digits is 172800, while the sum is 40.

The spelling of 22154265166 in words is "twenty-two billion, one hundred fifty-four million, two hundred sixty-five thousand, one hundred sixty-six".