22145654122 has 4 divisors (see below), whose sum is σ = 33218481186. Its totient is φ = 11072827060.

The previous prime is 22145654093. The next prime is 22145654123.

22145654122 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19554945921 + 2590708201 = 139839^2 + 50899^2 .

It is not an unprimeable number, because it can be changed into a prime (22145654123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5536413529 + ... + 5536413532.

Almost surely, 2^22145654122 is an apocalyptic number.

22145654122 is a deficient number, since it is larger than the sum of its proper divisors (11072827064).

22145654122 is a wasteful number, since it uses less digits than its factorization.

22145654122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11072827063.

The product of its digits is 38400, while the sum is 34.

The spelling of 22145654122 in words is "twenty-two billion, one hundred forty-five million, six hundred fifty-four thousand, one hundred twenty-two".