1022303221 has 2 divisors, whose sum is σ = 1022303222. Its totient is φ = 1022303220.

The previous prime is 1022303201. The next prime is 1022303231. The reversal of 1022303221 is 1223032201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 840188196 + 182115025 = 28986^2 + 13495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022303221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022303195 and 1022303204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022303201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511151610 + 511151611.

It is an arithmetic number, because the mean of its divisors is an integer number (511151611).

Almost surely, 2^1022303221 is an apocalyptic number.

It is an amenable number.

1022303221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022303221 is an equidigital number, since it uses as much as digits as its factorization.

1022303221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1022303221 is about 31973.4768362779. The cubic root of 1022303221 is about 1007.3798114114.

Adding to 1022303221 its reverse (1223032201), we get a palindrome (2245335422).

The spelling of 1022303221 in words is "one billion, twenty-two million, three hundred three thousand, two hundred twenty-one".