22642816273 has 64 divisors (see below), whose sum is σ = 30661079040. Its totient is φ = 16317692160.

The previous prime is 22642816271. The next prime is 22642816309. The reversal of 22642816273 is 37261824622.

It is not a de Polignac number, because 22642816273 - 2¹ = 22642816271 is a prime.

It is a super-2 number, since 2×22642816273² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22642816271) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9343740 + ... + 9346162.

It is an arithmetic number, because the mean of its divisors is an integer number (479079360).

Almost surely, 2^22642816273 is an apocalyptic number.

It is an amenable number.

22642816273 is a deficient number, since it is larger than the sum of its proper divisors (8018262767).

22642816273 is a wasteful number, since it uses less digits than its factorization.

22642816273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539 (or 2517 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The spelling of 22642816273 in words is "twenty-two billion, six hundred forty-two million, eight hundred sixteen thousand, two hundred seventy-three".