322042448 has 120 divisors (see below), whose sum is σ = 798365568. Its totient is φ = 122540544.

The previous prime is 322042447. The next prime is 322042463. The reversal of 322042448 is 844240223.

It is a happy number.

It is a super-2 number, since 2×322042448² = 207422676627665408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 322042448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322042447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1224365 + ... + 1224627.

Almost surely, 2^322042448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322042448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399182784).

322042448 is an abundant number, since it is smaller than the sum of its proper divisors (476323120).

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

322042448 is a wasteful number, since it uses less digits than its factorization.

322042448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 322042448 is about 17945.5411732274. The cubic root of 322042448 is about 685.4425172715.

The spelling of 322042448 in words is "three hundred twenty-two million, forty-two thousand, four hundred forty-eight".