22223333346664 has 16 divisors (see below), whose sum is σ = 41669259701220. Its totient is φ = 11111530759680.

The previous prime is 22223333346653. The next prime is 22223333346677. The reversal of 22223333346664 is 46664333332222.

It can be written as a sum of positive squares in 2 ways, for example, as 21155124280900 + 1068209065764 = 4599470^2 + 1033542^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16292607 + ... + 17603854.

Almost surely, 2^{22223333346664} is an apocalyptic number.

It is an amenable number.

22223333346664 is a deficient number, since it is larger than the sum of its proper divisors (19445926354556).

22223333346664 is a wasteful number, since it uses less digits than its factorization.

22223333346664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33978420 (or 33978416 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 49.

Adding to 22223333346664 its reverse (46664333332222), we get a palindrome (68887666678886).

The spelling of 22223333346664 in words is "twenty-two trillion, two hundred twenty-three billion, three hundred thirty-three million, three hundred forty-six thousand, six hundred sixty-four".