22743045644 has 48 divisors (see below), whose sum is σ = 43721462400. Its totient is φ = 10265875200.

The previous prime is 22743045643. The next prime is 22743045653. The reversal of 22743045644 is 44654034722.

It is a super-2 number, since 2×22743045644² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22743045643) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4016087 + ... + 4021745.

It is an arithmetic number, because the mean of its divisors is an integer number (910863800).

Almost surely, 2^22743045644 is an apocalyptic number.

It is an amenable number.

22743045644 is a deficient number, since it is larger than the sum of its proper divisors (20978416756).

22743045644 is a wasteful number, since it uses less digits than its factorization.

22743045644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6294 (or 6292 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 41.

The spelling of 22743045644 in words is "twenty-two billion, seven hundred forty-three million, forty-five thousand, six hundred forty-four".