22063566355540 has 12 divisors (see below), whose sum is σ = 46333489346676. Its totient is φ = 8825426542208.

The previous prime is 22063566355483. The next prime is 22063566355559. The reversal of 22063566355540 is 4555366536022.

It can be written as a sum of positive squares in 2 ways, for example, as 7143068713104 + 14920497642436 = 2672652^2 + 3862706^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 551589158869 + ... + 551589158908.

It is an arithmetic number, because the mean of its divisors is an integer number (3861124112223).

Almost surely, 2^{22063566355540} is an apocalyptic number.

22063566355540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22063566355540 is an abundant number, since it is smaller than the sum of its proper divisors (24269922991136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22063566355540 is a wasteful number, since it uses less digits than its factorization.

22063566355540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103178317786 (or 1103178317784 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 52.

The spelling of 22063566355540 in words is "twenty-two trillion, sixty-three billion, five hundred sixty-six million, three hundred fifty-five thousand, five hundred forty".