22145221106 has 32 divisors (see below), whose sum is σ = 35347276800. Its totient is φ = 10387278720.

The previous prime is 22145221097. The next prime is 22145221151. The reversal of 22145221106 is 60112254122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453110 + ... + 499598.

It is an arithmetic number, because the mean of its divisors is an integer number (1104602400).

Almost surely, 2^22145221106 is an apocalyptic number.

22145221106 is a deficient number, since it is larger than the sum of its proper divisors (13202055694).

22145221106 is a wasteful number, since it uses less digits than its factorization.

22145221106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46754.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 22145221106 its reverse (60112254122), we get a palindrome (82257475228).

The spelling of 22145221106 in words is "twenty-two billion, one hundred forty-five million, two hundred twenty-one thousand, one hundred six".