22240012244 has 12 divisors (see below), whose sum is σ = 39971914164. Its totient is φ = 10819465344.

The previous prime is 22240012147. The next prime is 22240012271. The reversal of 22240012244 is 44221004222.

It can be written as a sum of positive squares in 2 ways, for example, as 20970515344 + 1269496900 = 144812^2 + 35630^2 .

It is a super-2 number, since 2×22240012244² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75135029 + ... + 75135324.

It is an arithmetic number, because the mean of its divisors is an integer number (3330992847).

Almost surely, 2^22240012244 is an apocalyptic number.

It is an amenable number.

22240012244 is a deficient number, since it is larger than the sum of its proper divisors (17731901920).

22240012244 is a wasteful number, since it uses less digits than its factorization.

22240012244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150270394 (or 150270392 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22240012244 its reverse (44221004222), we get a palindrome (66461016466).

The spelling of 22240012244 in words is "twenty-two billion, two hundred forty million, twelve thousand, two hundred forty-four".