1034222221 has 2 divisors, whose sum is σ = 1034222222. Its totient is φ = 1034222220.

The previous prime is 1034222219. The next prime is 1034222237. The reversal of 1034222221 is 1222224301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 980566596 + 53655625 = 31314^2 + 7325^2 .

It is a cyclic number.

It is not a de Polignac number, because 1034222221 - 2¹ = 1034222219 is a prime.

Together with 1034222219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1034322221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517111110 + 517111111.

It is an arithmetic number, because the mean of its divisors is an integer number (517111111).

Almost surely, 2^1034222221 is an apocalyptic number.

It is an amenable number.

1034222221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1034222221 is an equidigital number, since it uses as much as digits as its factorization.

1034222221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1034222221 is about 32159.3255681770. The cubic root of 1034222221 is about 1011.2796970565.

Adding to 1034222221 its reverse (1222224301), we get a palindrome (2256446522).

The spelling of 1034222221 in words is "one billion, thirty-four million, two hundred twenty-two thousand, two hundred twenty-one".