2214681380 has 24 divisors (see below), whose sum is σ = 4655464632. Its totient is φ = 884989952.

The previous prime is 2214681377. The next prime is 2214681389. The reversal of 2214681380 is 831864122.

It can be written as a sum of positive squares in 4 ways, for example, as 241367296 + 1973314084 = 15536^2 + 44422^2 .

It is a super-2 number, since 2×2214681380² = 9809627229837408800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2214681380.

It is not an unprimeable number, because it can be changed into a prime (2214681389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34397 + ... + 74916.

It is an arithmetic number, because the mean of its divisors is an integer number (193977693).

Almost surely, 2^2214681380 is an apocalyptic number.

2214681380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2214681380 is an abundant number, since it is smaller than the sum of its proper divisors (2440783252).

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

2214681380 is a wasteful number, since it uses less digits than its factorization.

2214681380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110335 (or 110333 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 2214681380 is about 47060.4014007531. The cubic root of 2214681380 is about 1303.4781376531.

The spelling of 2214681380 in words is "two billion, two hundred fourteen million, six hundred eighty-one thousand, three hundred eighty".