321201226 has 8 divisors (see below), whose sum is σ = 483342084. Its totient is φ = 160087200.

The previous prime is 321201217. The next prime is 321201229. The reversal of 321201226 is 622102123.

It can be written as a sum of positive squares in 2 ways, for example, as 273935601 + 47265625 = 16551^2 + 6875^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (321201229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255925 + ... + 257176.

Almost surely, 2^321201226 is an apocalyptic number.

321201226 is a deficient number, since it is larger than the sum of its proper divisors (162140858).

321201226 is a wasteful number, since it uses less digits than its factorization.

321201226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513416.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 321201226 is about 17922.0876574131. The cubic root of 321201226 is about 684.8451714647.

Adding to 321201226 its reverse (622102123), we get a palindrome (943303349).

The spelling of 321201226 in words is "three hundred twenty-one million, two hundred one thousand, two hundred twenty-six".