22211312444 has 6 divisors (see below), whose sum is σ = 38869796784. Its totient is φ = 11105656220.

The previous prime is 22211312429. The next prime is 22211312503. The reversal of 22211312444 is 44421311222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2776414052 + ... + 2776414059.

It is an arithmetic number, because the mean of its divisors is an integer number (6478299464).

Almost surely, 2^22211312444 is an apocalyptic number.

It is an amenable number.

22211312444 is a deficient number, since it is larger than the sum of its proper divisors (16658484340).

22211312444 is a wasteful number, since it uses less digits than its factorization.

22211312444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5552828115 (or 5552828113 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

Adding to 22211312444 its reverse (44421311222), we get a palindrome (66632623666).

The spelling of 22211312444 in words is "twenty-two billion, two hundred eleven million, three hundred twelve thousand, four hundred forty-four".