1022232321 has 36 divisors (see below), whose sum is σ = 1718494596. Its totient is φ = 583080960.

The previous prime is 1022232307. The next prime is 1022232353. The reversal of 1022232321 is 1232322201.

It can be written as a sum of positive squares in 2 ways, for example, as 741200625 + 281031696 = 27225^2 + 16764^2 .

It is not a de Polignac number, because 1022232321 - 2⁶ = 1022232257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022232294 and 1022232303.

It is not an unprimeable number, because it can be changed into a prime (1022232391) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9096 + ... + 46121.

It is an arithmetic number, because the mean of its divisors is an integer number (47735961).

Almost surely, 2^1022232321 is an apocalyptic number.

1022232321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022232321 is a deficient number, since it is larger than the sum of its proper divisors (696262275).

1022232321 is a wasteful number, since it uses less digits than its factorization.

1022232321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55262 (or 55248 counting only the distinct ones).

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

The square root of 1022232321 is about 31972.3680855829. The cubic root of 1022232321 is about 1007.3565225351.

Adding to 1022232321 its reverse (1232322201), we get a palindrome (2254554522).

The spelling of 1022232321 in words is "one billion, twenty-two million, two hundred thirty-two thousand, three hundred twenty-one".