734221 has 2 divisors, whose sum is σ = 734222. Its totient is φ = 734220.

The previous prime is 734207. The next prime is 734233. The reversal of 734221 is 122437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 585225 + 148996 = 765^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 734221 - 2⁵ = 734189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (734291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367110 + 367111.

It is an arithmetic number, because the mean of its divisors is an integer number (367111).

2⁷³⁴²²¹ is an apocalyptic number.

It is an amenable number.

734221 is a deficient number, since it is larger than the sum of its proper divisors (1).

734221 is an equidigital number, since it uses as much as digits as its factorization.

734221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 19.

The square root of 734221 is about 856.8669675043. The cubic root of 734221 is about 90.2143450750.

Adding to 734221 its reverse (122437), we get a palindrome (856658).

The spelling of 734221 in words is "seven hundred thirty-four thousand, two hundred twenty-one".