1468221229 has 2 divisors, whose sum is σ = 1468221230. Its totient is φ = 1468221228.

The previous prime is 1468221179. The next prime is 1468221253. The reversal of 1468221229 is 9221228641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1345055625 + 123165604 = 36675^2 + 11098^2 .

It is a cyclic number.

It is not a de Polignac number, because 1468221229 - 2¹³ = 1468213037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1468221259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734110614 + 734110615.

It is an arithmetic number, because the mean of its divisors is an integer number (734110615).

Almost surely, 2^1468221229 is an apocalyptic number.

It is an amenable number.

1468221229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1468221229 is an equidigital number, since it uses as much as digits as its factorization.

1468221229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 1468221229 is about 38317.3750275250. The cubic root of 1468221229 is about 1136.5725590751.

The spelling of 1468221229 in words is "one billion, four hundred sixty-eight million, two hundred twenty-one thousand, two hundred twenty-nine".