222744681 has 16 divisors (see below), whose sum is σ = 334515520. Its totient is φ = 146460960.

The previous prime is 222744667. The next prime is 222744707. The reversal of 222744681 is 186447222.

It is not a de Polignac number, because 222744681 - 2⁹ = 222744169 is a prime.

It is a super-2 number, since 2×222744681² = 99230385827583522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222746681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54535 + ... + 58476.

It is an arithmetic number, because the mean of its divisors is an integer number (20907220).

Almost surely, 2^222744681 is an apocalyptic number.

It is an amenable number.

222744681 is a deficient number, since it is larger than the sum of its proper divisors (111770839).

222744681 is a wasteful number, since it uses less digits than its factorization.

222744681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113093 (or 113087 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 222744681 is about 14924.6333623309. The cubic root of 222744681 is about 606.1811780593.

The spelling of 222744681 in words is "two hundred twenty-two million, seven hundred forty-four thousand, six hundred eighty-one".