22666665654340 has 48 divisors (see below), whose sum is σ = 50105690046720. Its totient is φ = 8589399736320.

The previous prime is 22666665654299. The next prime is 22666665654371. The reversal of 22666665654340 is 4345656666622.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68471620 + ... + 68801860.

It is an arithmetic number, because the mean of its divisors is an integer number (1043868542640).

Almost surely, 2^{22666665654340} is an apocalyptic number.

22666665654340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22666665654340 is an abundant number, since it is smaller than the sum of its proper divisors (27439024392380).

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

22666665654340 is a wasteful number, since it uses less digits than its factorization.

22666665654340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510892 (or 510890 counting only the distinct ones).

The product of its (nonzero) digits is 223948800, while the sum is 61.

The spelling of 22666665654340 in words is "twenty-two trillion, six hundred sixty-six billion, six hundred sixty-five million, six hundred fifty-four thousand, three hundred forty".