22161260110 has 24 divisors (see below), whose sum is σ = 43846330248. Its totient is φ = 8058639600.

The previous prime is 22161260101. The next prime is 22161260119. The reversal of 22161260110 is 1106216122.

It is an interprime number because it is at equal distance from previous prime (22161260101) and next prime (22161260119).

It is a super-2 number, since 2×22161260110² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22161260119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9156336 + ... + 9158755.

It is an arithmetic number, because the mean of its divisors is an integer number (1826930427).

Almost surely, 2^22161260110 is an apocalyptic number.

22161260110 is a deficient number, since it is larger than the sum of its proper divisors (21685070138).

22161260110 is a wasteful number, since it uses less digits than its factorization.

22161260110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18315120 (or 18315109 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 22161260110 its reverse (1106216122), we get a palindrome (23267476232).

The spelling of 22161260110 in words is "twenty-two billion, one hundred sixty-one million, two hundred sixty thousand, one hundred ten".