222497732731680 has 1344 divisors, whose sum is σ = 920655715230720. Its totient is φ = 49731945725952.

The previous prime is 222497732731679. The next prime is 222497732731711. The reversal of 222497732731680 is 86137237794222.

It is a happy number.

222497732731680 is a `hidden beast` number, since 2 + 2 + 2 + 497 + 7 + 32 + 7 + 31 + 6 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 72029047576 + ... + 72029050664.

It is an arithmetic number, because the mean of its divisors is an integer number (685011692880).

Almost surely, 2^{222497732731680} is an apocalyptic number.

222497732731680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222497732731680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460327857615360).

222497732731680 is an abundant number, since it is smaller than the sum of its proper divisors (698157982499040).

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

222497732731680 is a wasteful number, since it uses less digits than its factorization.

222497732731680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053 (or 5030 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 63.

The spelling of 222497732731680 in words is "two hundred twenty-two trillion, four hundred ninety-seven billion, seven hundred thirty-two million, seven hundred thirty-one thousand, six hundred eighty".