22606622244 has 18 divisors (see below), whose sum is σ = 57144517430. Its totient is φ = 7535540736.

The previous prime is 22606622153. The next prime is 22606622257. The reversal of 22606622244 is 44222660622.

22606622244 is a `hidden beast` number, since 2 + 2 + 6 + 0 + 6 + 622 + 24 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18192614400 + 4414007844 = 134880^2 + 66438^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×22606622244² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 627961729 = 22606622244 / (2 + 2 + 6 + 0 + 6 + 6 + 2 + 2 + 2 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 22606622199 and 22606622208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313980829 + ... + 313980900.

Almost surely, 2^22606622244 is an apocalyptic number.

It is an amenable number.

22606622244 is an abundant number, since it is smaller than the sum of its proper divisors (34537895186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22606622244 is a wasteful number, since it uses less digits than its factorization.

22606622244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627961739 (or 627961734 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 22606622244 in words is "twenty-two billion, six hundred six million, six hundred twenty-two thousand, two hundred forty-four".