322422240 has 96 divisors (see below), whose sum is σ = 1160732160. Its totient is φ = 73695744.

The previous prime is 322422223. The next prime is 322422241. The reversal of 322422240 is 42224223.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×322422240² = 207912201693235200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322422241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44620 + ... + 51339.

It is an arithmetic number, because the mean of its divisors is an integer number (12090960).

Almost surely, 2^322422240 is an apocalyptic number.

322422240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

322422240 is an abundant number, since it is smaller than the sum of its proper divisors (838309920).

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

322422240 is a wasteful number, since it uses less digits than its factorization.

322422240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95984 (or 95976 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 322422240 is about 17956.1198481186. The cubic root of 322422240 is about 685.7118640787.

Adding to 322422240 its reverse (42224223), we get a palindrome (364646463).

The spelling of 322422240 in words is "three hundred twenty-two million, four hundred twenty-two thousand, two hundred forty".