22051113844 has 12 divisors (see below), whose sum is σ = 39920120100. Its totient is φ = 10645365248.

The previous prime is 22051113811. The next prime is 22051113853. The reversal of 22051113844 is 44831115022.

It can be written as a sum of positive squares in 2 ways, for example, as 11149248100 + 10901865744 = 105590^2 + 104412^2 .

It is a super-2 number, since 2×22051113844² (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, 95047789 + ... + 95048020.

It is an arithmetic number, because the mean of its divisors is an integer number (3326676675).

Almost surely, 2^22051113844 is an apocalyptic number.

It is an amenable number.

22051113844 is a deficient number, since it is larger than the sum of its proper divisors (17869006256).

22051113844 is a wasteful number, since it uses less digits than its factorization.

22051113844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190095842 (or 190095840 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 22051113844 its reverse (44831115022), we get a palindrome (66882228866).

The spelling of 22051113844 in words is "twenty-two billion, fifty-one million, one hundred thirteen thousand, eight hundred forty-four".