222240773 has 2 divisors, whose sum is σ = 222240774. Its totient is φ = 222240772.

The previous prime is 222240719. The next prime is 222240791. The reversal of 222240773 is 377042222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148401124 + 73839649 = 12182^2 + 8593^2 .

It is a cyclic number.

It is not a de Polignac number, because 222240773 - 2⁸ = 222240517 is a prime.

It is a super-2 number, since 2×222240773² = 98781922367275058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222240173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111120386 + 111120387.

It is an arithmetic number, because the mean of its divisors is an integer number (111120387).

Almost surely, 2^222240773 is an apocalyptic number.

It is an amenable number.

222240773 is a deficient number, since it is larger than the sum of its proper divisors (1).

222240773 is an equidigital number, since it uses as much as digits as its factorization.

222240773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 222240773 is about 14907.7420490160. The cubic root of 222240773 is about 605.7237183086.

Adding to 222240773 its reverse (377042222), we get a palindrome (599282995).

The spelling of 222240773 in words is "two hundred twenty-two million, two hundred forty thousand, seven hundred seventy-three".