22244440422 has 16 divisors (see below), whose sum is σ = 44497078272. Its totient is φ = 7413447240.

The previous prime is 22244440417. The next prime is 22244440433. The reversal of 22244440422 is 22404444222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22244440422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305998 + ... + 371649.

It is an arithmetic number, because the mean of its divisors is an integer number (2781067392).

Almost surely, 2^22244440422 is an apocalyptic number.

22244440422 is an abundant number, since it is smaller than the sum of its proper divisors (22252637850).

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

22244440422 is a wasteful number, since it uses less digits than its factorization.

22244440422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683123.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 22244440422 its reverse (22404444222), we get a palindrome (44648884644).

The spelling of 22244440422 in words is "twenty-two billion, two hundred forty-four million, four hundred forty thousand, four hundred twenty-two".