1222106164 has 6 divisors (see below), whose sum is σ = 2138685794. Its totient is φ = 611053080.

The previous prime is 1222106159. The next prime is 1222106177. The reversal of 1222106164 is 4616012221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1208118564 + 13987600 = 34758^2 + 3740^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152763267 + ... + 152763274.

Almost surely, 2^1222106164 is an apocalyptic number.

It is an amenable number.

1222106164 is a deficient number, since it is larger than the sum of its proper divisors (916579630).

1222106164 is a wasteful number, since it uses less digits than its factorization.

1222106164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305526545 (or 305526543 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1222106164 is about 34958.6350420036. The cubic root of 1222106164 is about 1069.1442670426.

Adding to 1222106164 its reverse (4616012221), we get a palindrome (5838118385).

The spelling of 1222106164 in words is "one billion, two hundred twenty-two million, one hundred six thousand, one hundred sixty-four".