22772202044 has 12 divisors (see below), whose sum is σ = 39866576568. Its totient is φ = 11381751600.

The previous prime is 22772202041. The next prime is 22772202059. The reversal of 22772202044 is 44020227722.

It is a self number, because there is not a number n which added to its sum of digits gives 22772202044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22772202041) 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, 1075562 + ... + 1096529.

It is an arithmetic number, because the mean of its divisors is an integer number (3322214714).

Almost surely, 2^22772202044 is an apocalyptic number.

It is an amenable number.

22772202044 is a deficient number, since it is larger than the sum of its proper divisors (17094374524).

22772202044 is a wasteful number, since it uses less digits than its factorization.

22772202044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174716 (or 2174714 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 32.

Adding to 22772202044 its reverse (44020227722), we get a palindrome (66792429766).

The spelling of 22772202044 in words is "twenty-two billion, seven hundred seventy-two million, two hundred two thousand, forty-four".