2214402520 has 64 divisors (see below), whose sum is σ = 5459335200. Its totient is φ = 801684480.

The previous prime is 2214402451. The next prime is 2214402521. The reversal of 2214402520 is 252044122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2214402491 and 2214402500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214402521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89772 + ... + 111748.

Almost surely, 2^2214402520 is an apocalyptic number.

2214402520 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 2214402520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2729667600).

2214402520 is an abundant number, since it is smaller than the sum of its proper divisors (3244932680).

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

2214402520 is a wasteful number, since it uses less digits than its factorization.

2214402520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22228 (or 22224 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 2214402520 is about 47057.4385193244. The cubic root of 2214402520 is about 1303.4234265219.

Adding to 2214402520 its reverse (252044122), we get a palindrome (2466446642).

The spelling of 2214402520 in words is "two billion, two hundred fourteen million, four hundred two thousand, five hundred twenty".