322138288080 has 480 divisors, whose sum is σ = 1281903667200. Its totient is φ = 70942556160.

The previous prime is 322138288067. The next prime is 322138288081. The reversal of 322138288080 is 80882831223.

It is a super-2 number, since 2×322138288080² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322138288081) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36399496 + ... + 36408344.

It is an arithmetic number, because the mean of its divisors is an integer number (2670632640).

Almost surely, 2^322138288080 is an apocalyptic number.

322138288080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322138288080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640951833600).

322138288080 is an abundant number, since it is smaller than the sum of its proper divisors (959765379120).

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

322138288080 is a wasteful number, since it uses less digits than its factorization.

322138288080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9139 (or 9130 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 322138288080 in words is "three hundred twenty-two billion, one hundred thirty-eight million, two hundred eighty-eight thousand, eighty".