222740633 has 2 divisors, whose sum is σ = 222740634. Its totient is φ = 222740632.

The previous prime is 222740627. The next prime is 222740699. The reversal of 222740633 is 336047222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176677264 + 46063369 = 13292^2 + 6787^2 .

It is a cyclic number.

It is not a de Polignac number, because 222740633 - 2⁶ = 222740569 is a prime.

It is a super-2 number, since 2×222740633² = 99226779178481378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222740596 and 222740605.

It is not a weakly prime, because it can be changed into another prime (222748633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111370316 + 111370317.

It is an arithmetic number, because the mean of its divisors is an integer number (111370317).

Almost surely, 2^222740633 is an apocalyptic number.

It is an amenable number.

222740633 is a deficient number, since it is larger than the sum of its proper divisors (1).

222740633 is an equidigital number, since it uses as much as digits as its factorization.

222740633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 222740633 is about 14924.4977469930. The cubic root of 222740633 is about 606.1775059382.

Adding to 222740633 its reverse (336047222), we get a palindrome (558787855).

The spelling of 222740633 in words is "two hundred twenty-two million, seven hundred forty thousand, six hundred thirty-three".