222894018560 has 416 divisors, whose sum is σ = 577379003040. Its totient is φ = 82443239424.

The previous prime is 222894018553. The next prime is 222894018587. The reversal of 222894018560 is 65810498222.

It can be written as a sum of positive squares in 16 ways, for example, as 23220883456 + 199673135104 = 152384^2 + 446848^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2297876432 + ... + 2297876528.

Almost surely, 2^222894018560 is an apocalyptic number.

222894018560 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 222894018560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288689501520).

222894018560 is an abundant number, since it is smaller than the sum of its proper divisors (354484984480).

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

222894018560 is an equidigital number, since it uses as much as digits as its factorization.

222894018560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 222894018560 in words is "two hundred twenty-two billion, eight hundred ninety-four million, eighteen thousand, five hundred sixty".