322240663 has 4 divisors (see below), whose sum is σ = 333352440. Its totient is φ = 311128888.

The previous prime is 322240657. The next prime is 322240669. The reversal of 322240663 is 366042223.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (322240657) and next prime (322240669).

It is a cyclic number.

It is not a de Polignac number, because 322240663 - 2²¹ = 320143511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322240669) 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, 5555845 + ... + 5555902.

It is an arithmetic number, because the mean of its divisors is an integer number (83338110).

Almost surely, 2^322240663 is an apocalyptic number.

322240663 is a deficient number, since it is larger than the sum of its proper divisors (11111777).

322240663 is a wasteful number, since it uses less digits than its factorization.

322240663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111776.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 322240663 is about 17951.0630047360. The cubic root of 322240663 is about 685.5831168769.

Adding to 322240663 its reverse (366042223), we get a palindrome (688282886).

The spelling of 322240663 in words is "three hundred twenty-two million, two hundred forty thousand, six hundred sixty-three".