322223240 has 16 divisors (see below), whose sum is σ = 725002380. Its totient is φ = 128889280.

The previous prime is 322223221. The next prime is 322223273. The reversal of 322223240 is 42322223.

It can be written as a sum of positive squares in 2 ways, for example, as 299774596 + 22448644 = 17314^2 + 4738^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4027751 + ... + 4027830.

Almost surely, 2^322223240 is an apocalyptic number.

It is an amenable number.

322223240 is an abundant number, since it is smaller than the sum of its proper divisors (402779140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

322223240 is a wasteful number, since it uses less digits than its factorization.

322223240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8055592 (or 8055588 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 322223240 is about 17950.5777065809. The cubic root of 322223240 is about 685.5707605531.

Adding to 322223240 its reverse (42322223), we get a palindrome (364545463).

It can be divided in two parts, 3222 and 23240, that added together give a palindrome (26462).

The spelling of 322223240 in words is "three hundred twenty-two million, two hundred twenty-three thousand, two hundred forty".