222467887530 has 168 divisors, whose sum is σ = 698412401892. Its totient is φ = 50849721216.

The previous prime is 222467887507. The next prime is 222467887567. The reversal of 222467887530 is 35788764222.

222467887530 is a `hidden beast` number, since 2 + 2 + 2 + 467 + 88 + 75 + 30 = 666.

222467887530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 206954935929 + 15512951601 = 454923^2 + 124551^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

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 83 ways as a sum of consecutive naturals, for example, 45814 + ... + 668606.

Almost surely, 2^222467887530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222467887530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349206200946).

222467887530 is an abundant number, since it is smaller than the sum of its proper divisors (475944514362).

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

222467887530 is an equidigital number, since it uses as much as digits as its factorization.

222467887530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622832 (or 622810 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 222467887530 in words is "two hundred twenty-two billion, four hundred sixty-seven million, eight hundred eighty-seven thousand, five hundred thirty".