3822280 has 128 divisors (see below), whose sum is σ = 11508480. Its totient is φ = 1105920.

The previous prime is 3822277. The next prime is 3822281. The reversal of 3822280 is 822283.

It is not an unprimeable number, because it can be changed into a prime (3822281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52324 + ... + 52396.

It is an arithmetic number, because the mean of its divisors is an integer number (89910).

Almost surely, 2^3822280 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 3822280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5754240).

3822280 is an abundant number, since it is smaller than the sum of its proper divisors (7686200).

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

3822280 is a wasteful number, since it uses less digits than its factorization.

3822280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 3822280 is about 1955.0652163035. The cubic root of 3822280 is about 156.3534610780.

It can be divided in two parts, 382 and 2280, that added together give a palindrome (2662).

The spelling of 3822280 in words is "three million, eight hundred twenty-two thousand, two hundred eighty".