22747304644 has 12 divisors (see below), whose sum is σ = 39809066668. Its totient is φ = 11373285600.

The previous prime is 22747304627. The next prime is 22747304647. The reversal of 22747304644 is 44640374722.

It can be written as a sum of positive squares in 2 ways, for example, as 2818335744 + 19928968900 = 53088^2 + 141170^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22747304644.

It is not an unprimeable number, because it can be changed into a prime (22747304647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86254 + ... + 230074.

Almost surely, 2^22747304644 is an apocalyptic number.

It is an amenable number.

22747304644 is a deficient number, since it is larger than the sum of its proper divisors (17061762024).

22747304644 is a wasteful number, since it uses less digits than its factorization.

22747304644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183366 (or 183364 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 43.

The spelling of 22747304644 in words is "twenty-two billion, seven hundred forty-seven million, three hundred four thousand, six hundred forty-four".