22646668463280 has 160 divisors (see below), whose sum is σ = 82110727910400. Its totient is φ = 5721263601408.

The previous prime is 22646668463239. The next prime is 22646668463297. The reversal of 22646668463280 is 8236486664622.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275868664 + ... + 275950743.

It is an arithmetic number, because the mean of its divisors is an integer number (513192049440).

Almost surely, 2^{22646668463280} is an apocalyptic number.

22646668463280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22646668463280 is an abundant number, since it is smaller than the sum of its proper divisors (59464059447120).

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

22646668463280 is a wasteful number, since it uses less digits than its factorization.

22646668463280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551819448 (or 551819436 counting only the distinct ones).

The product of its (nonzero) digits is 191102976, while the sum is 63.

The spelling of 22646668463280 in words is "twenty-two trillion, six hundred forty-six billion, six hundred sixty-eight million, four hundred sixty-three thousand, two hundred eighty".