222006644064 has 72 divisors (see below), whose sum is σ = 631686149640. Its totient is φ = 73960631808.

The previous prime is 222006644063. The next prime is 222006644089. The reversal of 222006644064 is 460446600222.

222006644064 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 0 + 6 + 644 + 0 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222006644063) 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, 298972 + ... + 730340.

It is an arithmetic number, because the mean of its divisors is an integer number (8773418745).

Almost surely, 2^222006644064 is an apocalyptic number.

222006644064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

222006644064 is an abundant number, since it is smaller than the sum of its proper divisors (409679505576).

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

222006644064 is a wasteful number, since it uses less digits than its factorization.

222006644064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433172 (or 433161 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 222006644064 in words is "two hundred twenty-two billion, six million, six hundred forty-four thousand, sixty-four".