321321227 has 4 divisors (see below), whose sum is σ = 321430680. Its totient is φ = 321211776.

The previous prime is 321321211. The next prime is 321321271. The reversal of 321321227 is 722123123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722123123 = 43 ⋅16793561.

It is a cyclic number.

It is not a de Polignac number, because 321321227 - 2⁴ = 321321211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321321277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50198 + ... + 56235.

It is an arithmetic number, because the mean of its divisors is an integer number (80357670).

Almost surely, 2^321321227 is an apocalyptic number.

321321227 is a deficient number, since it is larger than the sum of its proper divisors (109453).

321321227 is a wasteful number, since it uses less digits than its factorization.

321321227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109452.

The product of its digits is 1008, while the sum is 23.

The square root of 321321227 is about 17925.4351969485. The cubic root of 321321227 is about 684.9304470556.

The spelling of 321321227 in words is "three hundred twenty-one million, three hundred twenty-one thousand, two hundred twenty-seven".