22040244404 has 24 divisors (see below), whose sum is σ = 39349565640. Its totient is φ = 10798055424.

The previous prime is 22040244377. The next prime is 22040244407. The reversal of 22040244404 is 40444204022.

It can be written as a sum of positive squares in 4 ways, for example, as 7094692900 + 14945551504 = 84230^2 + 122252^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040244407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95432 + ... + 230624.

It is an arithmetic number, because the mean of its divisors is an integer number (1639565235).

Almost surely, 2^22040244404 is an apocalyptic number.

It is an amenable number.

22040244404 is a deficient number, since it is larger than the sum of its proper divisors (17309321236).

22040244404 is a wasteful number, since it uses less digits than its factorization.

22040244404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136019 (or 136017 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22040244404 its reverse (40444204022), we get a palindrome (62484448426).

The spelling of 22040244404 in words is "twenty-two billion, forty million, two hundred forty-four thousand, four hundred four".