5216444220 has 288 divisors, whose sum is σ = 16991610048. Its totient is φ = 1188200448.

The previous prime is 5216444197. The next prime is 5216444221. The reversal of 5216444220 is 224446125.

It is a super-2 number, since 2×5216444220² = 54422580600742816800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5216444221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16455502 + ... + 16455818.

It is an arithmetic number, because the mean of its divisors is an integer number (58998646).

Almost surely, 2^5216444220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5216444220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8495805024).

5216444220 is an abundant number, since it is smaller than the sum of its proper divisors (11775165828).

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

5216444220 is a wasteful number, since it uses less digits than its factorization.

5216444220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 5216444220 is about 72224.9556593841. The cubic root of 5216444220 is about 1734.3025231494.

The spelling of 5216444220 in words is "five billion, two hundred sixteen million, four hundred forty-four thousand, two hundred twenty".