2212280 has 32 divisors (see below), whose sum is σ = 5689440. Its totient is φ = 758400.

The previous prime is 2212277. The next prime is 2212297. The reversal of 2212280 is 822122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3671 + ... + 4230.

It is an arithmetic number, because the mean of its divisors is an integer number (177795).

2^2212280 is an apocalyptic number.

2212280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212280 is an abundant number, since it is smaller than the sum of its proper divisors (3477160).

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

2212280 is a wasteful number, since it uses less digits than its factorization.

2212280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7919 (or 7915 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2212280 is about 1487.3735240349. The cubic root of 2212280 is about 130.3006846631.

The spelling of 2212280 in words is "two million, two hundred twelve thousand, two hundred eighty".