22461751845 has 128 divisors (see below), whose sum is σ = 43684945920. Its totient is φ = 10884464640.

The previous prime is 22461751787. The next prime is 22461751853. The reversal of 22461751845 is 54815716422.

22461751845 is a `hidden beast` number, since 2 + 2 + 461 + 7 + 5 + 184 + 5 = 666.

It is not a de Polignac number, because 22461751845 - 2¹⁹ = 22461227557 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 22461751845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 37877869 + ... + 37878461.

It is an arithmetic number, because the mean of its divisors is an integer number (341288640).

Almost surely, 2^22461751845 is an apocalyptic number.

It is an amenable number.

22461751845 is a deficient number, since it is larger than the sum of its proper divisors (21223194075).

22461751845 is a wasteful number, since it uses less digits than its factorization.

22461751845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 918 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The spelling of 22461751845 in words is "twenty-two billion, four hundred sixty-one million, seven hundred fifty-one thousand, eight hundred forty-five".