22444035136 has 14 divisors (see below), whose sum is σ = 44537382350. Its totient is φ = 11222017536.

The previous prime is 22444035127. The next prime is 22444035143. The reversal of 22444035136 is 63153044422.

It can be written as a sum of positive squares in only one way, i.e., 11719361536 + 10724673600 = 108256^2 + 103560^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175343961 + ... + 175344088.

Almost surely, 2^22444035136 is an apocalyptic number.

It is an amenable number.

22444035136 is a deficient number, since it is larger than the sum of its proper divisors (22093347214).

22444035136 is an equidigital number, since it uses as much as digits as its factorization.

22444035136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350688061 (or 350688051 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 22444035136 its reverse (63153044422), we get a palindrome (85597079558).

The spelling of 22444035136 in words is "twenty-two billion, four hundred forty-four million, thirty-five thousand, one hundred thirty-six".