1022433221 has 2 divisors, whose sum is σ = 1022433222. Its totient is φ = 1022433220.

The previous prime is 1022433163. The next prime is 1022433233. The reversal of 1022433221 is 1223342201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 861422500 + 161010721 = 29350^2 + 12689^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022433221 - 2¹⁰ = 1022432197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022433193 and 1022433202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022433241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511216610 + 511216611.

It is an arithmetic number, because the mean of its divisors is an integer number (511216611).

Almost surely, 2^1022433221 is an apocalyptic number.

It is an amenable number.

1022433221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022433221 is an equidigital number, since it uses as much as digits as its factorization.

1022433221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1022433221 is about 31975.5097066489. The cubic root of 1022433221 is about 1007.4225103622.

Adding to 1022433221 its reverse (1223342201), we get a palindrome (2245775422).

The spelling of 1022433221 in words is "one billion, twenty-two million, four hundred thirty-three thousand, two hundred twenty-one".