223244066 has 4 divisors (see below), whose sum is σ = 334866102. Its totient is φ = 111622032.

The previous prime is 223244041. The next prime is 223244069. The reversal of 223244066 is 660442322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660442322 = 2 ⋅330221161.

It can be written as a sum of positive squares in only one way, i.e., 177289225 + 45954841 = 13315^2 + 6779^2 .

It is a super-3 number, since 3×223244066³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223244069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55811015 + ... + 55811018.

Almost surely, 2^223244066 is an apocalyptic number.

223244066 is a deficient number, since it is larger than the sum of its proper divisors (111622036).

223244066 is a wasteful number, since it uses less digits than its factorization.

223244066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111622035.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 223244066 is about 14941.3542224258. The cubic root of 223244066 is about 606.6338515573.

Adding to 223244066 its reverse (660442322), we get a palindrome (883686388).

The spelling of 223244066 in words is "two hundred twenty-three million, two hundred forty-four thousand, sixty-six".