22000640253777 has 12 divisors (see below), whose sum is σ = 31805162806404. Its totient is φ = 14654881094400.

The previous prime is 22000640253751. The next prime is 22000640253791. The reversal of 22000640253777 is 77735204600022.

22000640253777 is a `hidden beast` number, since 2 + 2 + 0 + 0 + 0 + 6 + 40 + 2 + 537 + 77 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3612675695616 + 18387964558161 = 1900704^2 + 4288119^2 .

It is not a de Polignac number, because 22000640253777 - 2¹⁸ = 22000639991633 is a prime.

It is a super-2 number, since 2×22000640253777² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22000640253707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1017689268 + ... + 1017710885.

It is an arithmetic number, because the mean of its divisors is an integer number (2650430233867).

Almost surely, 2^{22000640253777} is an apocalyptic number.

It is an amenable number.

22000640253777 is a deficient number, since it is larger than the sum of its proper divisors (9804522552627).

22000640253777 is a wasteful number, since it uses less digits than its factorization.

22000640253777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035401360 (or 2035401357 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 45.

Adding to 22000640253777 its reverse (77735204600022), we get a palindrome (99735844853799).

The spelling of 22000640253777 in words is "twenty-two trillion, six hundred forty million, two hundred fifty-three thousand, seven hundred seventy-seven".