222666660460 has 48 divisors (see below), whose sum is σ = 472255761600. Its totient is φ = 88181581824.

The previous prime is 222666660449. The next prime is 222666660481. The reversal of 222666660460 is 64066666222.

It is a self number, because there is not a number n which added to its sum of digits gives 222666660460.

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, 2023336 + ... + 2130544.

It is an arithmetic number, because the mean of its divisors is an integer number (9838661700).

Almost surely, 2^222666660460 is an apocalyptic number.

222666660460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222666660460 is an abundant number, since it is smaller than the sum of its proper divisors (249589101140).

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

222666660460 is a wasteful number, since it uses less digits than its factorization.

222666660460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108250 (or 108248 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 222666660460 in words is "two hundred twenty-two billion, six hundred sixty-six million, six hundred sixty thousand, four hundred sixty".