222130773 has 12 divisors (see below), whose sum is σ = 323800620. Its totient is φ = 146727936.

The previous prime is 222130723. The next prime is 222130793. The reversal of 222130773 is 377031222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 188293284 + 33837489 = 13722^2 + 5817^2 .

It is not a de Polignac number, because 222130773 - 2⁶ = 222130709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222130723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112236 + ... + 114197.

It is an arithmetic number, because the mean of its divisors is an integer number (26983385).

Almost surely, 2^222130773 is an apocalyptic number.

It is an amenable number.

222130773 is a deficient number, since it is larger than the sum of its proper divisors (101669847).

222130773 is a wasteful number, since it uses less digits than its factorization.

222130773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226548 (or 226545 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 222130773 is about 14904.0522342080. The cubic root of 222130773 is about 605.6237657449.

Adding to 222130773 its reverse (377031222), we get a palindrome (599161995).

The spelling of 222130773 in words is "two hundred twenty-two million, one hundred thirty thousand, seven hundred seventy-three".