1032223221 has 12 divisors (see below), whose sum is σ = 1578694572. Its totient is φ = 647669376.

The previous prime is 1032223219. The next prime is 1032223237. The reversal of 1032223221 is 1223222301.

It can be written as a sum of positive squares in 2 ways, for example, as 328116996 + 704106225 = 18114^2 + 26535^2 .

It is not a de Polignac number, because 1032223221 - 2¹ = 1032223219 is a prime.

It is a super-2 number, since 2×1032223221² = 2130969555943229682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1032223194 and 1032223203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032223121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3373126 + ... + 3373431.

It is an arithmetic number, because the mean of its divisors is an integer number (131557881).

Almost surely, 2^1032223221 is an apocalyptic number.

It is an amenable number.

1032223221 is a deficient number, since it is larger than the sum of its proper divisors (546471351).

1032223221 is a wasteful number, since it uses less digits than its factorization.

1032223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6746580 (or 6746577 counting only the distinct ones).

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

The square root of 1032223221 is about 32128.2309036772. The cubic root of 1032223221 is about 1010.6277249993.

Adding to 1032223221 its reverse (1223222301), we get a palindrome (2255445522).

The spelling of 1032223221 in words is "one billion, thirty-two million, two hundred twenty-three thousand, two hundred twenty-one".