22774006762645 has 4 divisors (see below), whose sum is σ = 27328808115180. Its totient is φ = 18219205410112.

The previous prime is 22774006762607. The next prime is 22774006762649. The reversal of 22774006762645 is 54626760047722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5877681418449 + 16896325344196 = 2424393^2 + 4110514^2 .

It is a cyclic number.

It is not a de Polignac number, because 22774006762645 - 2¹³ = 22774006754453 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 22774006762645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22774006762649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2277400676260 + ... + 2277400676269.

It is an arithmetic number, because the mean of its divisors is an integer number (6832202028795).

Almost surely, 2^{22774006762645} is an apocalyptic number.

It is an amenable number.

22774006762645 is a deficient number, since it is larger than the sum of its proper divisors (4554801352535).

22774006762645 is an equidigital number, since it uses as much as digits as its factorization.

22774006762645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554801352534.

The product of its (nonzero) digits is 47416320, while the sum is 58.

The spelling of 22774006762645 in words is "twenty-two trillion, seven hundred seventy-four billion, six million, seven hundred sixty-two thousand, six hundred forty-five".