5214231220 has 36 divisors (see below), whose sum is σ = 12035830212. Its totient is φ = 1896083200.

The previous prime is 5214231181. The next prime is 5214231221. The reversal of 5214231220 is 221324125.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1939873936 + 3274357284 = 44044^2 + 57222^2 .

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 = 5214231191 and 5214231200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5214231221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1074901 + ... + 1079740.

It is an arithmetic number, because the mean of its divisors is an integer number (334328617).

Almost surely, 2^5214231220 is an apocalyptic number.

It is an amenable number.

5214231220 is an abundant number, since it is smaller than the sum of its proper divisors (6821598992).

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

5214231220 is a wasteful number, since it uses less digits than its factorization.

5214231220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154672 (or 2154659 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 5214231220 is about 72209.6338447994. The cubic root of 5214231220 is about 1734.0572376516.

Adding to 5214231220 its reverse (221324125), we get a palindrome (5435555345).

The spelling of 5214231220 in words is "five billion, two hundred fourteen million, two hundred thirty-one thousand, two hundred twenty".