222740746568 has 12 divisors (see below), whose sum is σ = 417641402745. Its totient is φ = 111369705840.

The previous prime is 222740746567. The next prime is 222740746619. The reversal of 222740746568 is 865647047222.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 158963284804 + 63777461764 = 398702^2 + 252542^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333722.

It is a super-2 number, since 2×222740746568² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222740746567) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1251458 + ... + 1418318.

Almost surely, 2^222740746568 is an apocalyptic number.

It is an amenable number.

222740746568 is a deficient number, since it is larger than the sum of its proper divisors (194900656177).

222740746568 is an frugal number, since it uses more digits than its factorization.

222740746568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333728 (or 166863 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 53.

The spelling of 222740746568 in words is "two hundred twenty-two billion, seven hundred forty million, seven hundred forty-six thousand, five hundred sixty-eight".