22355012244 has 24 divisors (see below), whose sum is σ = 52166076480. Its totient is φ = 7451044864.

The previous prime is 22355012243. The next prime is 22355012261. The reversal of 22355012244 is 44221055322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22355012243) 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 7 ways as a sum of consecutive naturals, for example, 84052 + ... + 227540.

It is an arithmetic number, because the mean of its divisors is an integer number (2173586520).

Almost surely, 2^22355012244 is an apocalyptic number.

It is an amenable number.

22355012244 is an abundant number, since it is smaller than the sum of its proper divisors (29811064236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22355012244 is a wasteful number, since it uses less digits than its factorization.

22355012244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156479 (or 156477 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22355012244 its reverse (44221055322), we get a palindrome (66576067566).

The spelling of 22355012244 in words is "twenty-two billion, three hundred fifty-five million, twelve thousand, two hundred forty-four".