2212308 has 36 divisors (see below), whose sum is σ = 6391840. Its totient is φ = 632016.

The previous prime is 2212297. The next prime is 2212321. The reversal of 2212308 is 8032122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4138 + ... + 4641.

2^2212308 is an apocalyptic number.

2212308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2212308 is an abundant number, since it is smaller than the sum of its proper divisors (4179532).

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

2212308 is a wasteful number, since it uses less digits than its factorization.

2212308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8796 (or 8791 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2212308 is about 1487.3829365701. The cubic root of 2212308 is about 130.3012343831.

The spelling of 2212308 in words is "two million, two hundred twelve thousand, three hundred eight".