1202223321 has 12 divisors (see below), whose sum is σ = 1870125348. Its totient is φ = 739829664.

The previous prime is 1202223311. The next prime is 1202223329. The reversal of 1202223321 is 1233222021.

1202223321 is a `hidden beast` number, since 120 + 2 + 223 + 321 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 563397696 + 638825625 = 23736^2 + 25275^2 .

It is not a de Polignac number, because 1202223321 - 2⁶ = 1202223257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202223294 and 1202223303.

It is not an unprimeable number, because it can be changed into a prime (1202223329) 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, 5137590 + ... + 5137823.

It is an arithmetic number, because the mean of its divisors is an integer number (155843779).

Almost surely, 2^1202223321 is an apocalyptic number.

It is an amenable number.

1202223321 is a deficient number, since it is larger than the sum of its proper divisors (667902027).

1202223321 is a wasteful number, since it uses less digits than its factorization.

1202223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10275432 (or 10275429 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1202223321 is about 34673.0921753454. The cubic root of 1202223321 is about 1063.3144507041.

Adding to 1202223321 its reverse (1233222021), we get a palindrome (2435445342).

The spelling of 1202223321 in words is "one billion, two hundred two million, two hundred twenty-three thousand, three hundred twenty-one".