222366849019650 has 192 divisors, whose sum is σ = 623677784745600. Its totient is φ = 58242512160000.

The previous prime is 222366849019649. The next prime is 222366849019691. The reversal of 222366849019650 is 56910948663222.

It is a happy number.

222366849019650 is a `hidden beast` number, since 2 + 2 + 2 + 3 + 6 + 6 + 8 + 490 + 1 + 96 + 50 = 666.

It is a super-2 number, since 2×222366849019650² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 55801341 + ... + 59653359.

It is an arithmetic number, because the mean of its divisors is an integer number (3248321795550).

Almost surely, 2^{222366849019650} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222366849019650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311838892372800).

222366849019650 is an abundant number, since it is smaller than the sum of its proper divisors (401310935725950).

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

222366849019650 is a wasteful number, since it uses less digits than its factorization.

222366849019650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852802 (or 3852791 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 63.

The spelling of 222366849019650 in words is "two hundred twenty-two trillion, three hundred sixty-six billion, eight hundred forty-nine million, nineteen thousand, six hundred fifty".