1222060456 has 8 divisors (see below), whose sum is σ = 2291363370. Its totient is φ = 611030224.

The previous prime is 1222060439. The next prime is 1222060459. The reversal of 1222060456 is 6540602221.

It can be written as a sum of positive squares in only one way, i.e., 718776100 + 503284356 = 26810^2 + 22434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1222060459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76378771 + ... + 76378786.

Almost surely, 2^1222060456 is an apocalyptic number.

It is an amenable number.

1222060456 is a deficient number, since it is larger than the sum of its proper divisors (1069302914).

1222060456 is a wasteful number, since it uses less digits than its factorization.

1222060456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152757563 (or 152757559 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1222060456 is about 34957.9812918309. The cubic root of 1222060456 is about 1069.1309378527.

Adding to 1222060456 its reverse (6540602221), we get a palindrome (7762662677).

The spelling of 1222060456 in words is "one billion, two hundred twenty-two million, sixty thousand, four hundred fifty-six".