2214031320 has 128 divisors (see below), whose sum is σ = 7471512000. Its totient is φ = 590385024.

The previous prime is 2214031319. The next prime is 2214031321. The reversal of 2214031320 is 231304122.

It is an interprime number because it is at equal distance from previous prime (2214031319) and next prime (2214031321).

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

It is a junction number, because it is equal to n+sod(n) for n = 2214031293 and 2214031302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214031321) 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, 74826 + ... + 100134.

Almost surely, 2^2214031320 is an apocalyptic number.

2214031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2214031320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3735756000).

2214031320 is an abundant number, since it is smaller than the sum of its proper divisors (5257480680).

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

2214031320 is an equidigital number, since it uses as much as digits as its factorization.

2214031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25341 (or 25319 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2214031320 is about 47053.4942379416. The cubic root of 2214031320 is about 1303.3505915535.

Adding to 2214031320 its reverse (231304122), we get a palindrome (2445335442).

The spelling of 2214031320 in words is "two billion, two hundred fourteen million, thirty-one thousand, three hundred twenty".