2212239280 has 20 divisors (see below), whose sum is σ = 5143456512. Its totient is φ = 884895680.

The previous prime is 2212239233. The next prime is 2212239283. The reversal of 2212239280 is 829322122.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (2212239283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13826416 + ... + 13826575.

Almost surely, 2^2212239280 is an apocalyptic number.

2212239280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212239280 is an abundant number, since it is smaller than the sum of its proper divisors (2931217232).

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

2212239280 is a wasteful number, since it uses less digits than its factorization.

2212239280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27653004 (or 27652998 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2212239280 is about 47034.4478015847. The cubic root of 2212239280 is about 1302.9988520489.

The spelling of 2212239280 in words is "two billion, two hundred twelve million, two hundred thirty-nine thousand, two hundred eighty".