5242221000 has 96 divisors (see below), whose sum is σ = 17718737400. Its totient is φ = 1397923200.

The previous prime is 5242220983. The next prime is 5242221001. The reversal of 5242221000 is 1222425.

It can be written as a sum of positive squares in 4 ways, for example, as 629909604 + 4612311396 = 25098^2 + 67914^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5242221001) 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 23 ways as a sum of consecutive naturals, for example, 282235 + ... + 300234.

Almost surely, 2^5242221000 is an apocalyptic number.

5242221000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5242221000 is an abundant number, since it is smaller than the sum of its proper divisors (12476516400).

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

5242221000 is a wasteful number, since it uses less digits than its factorization.

5242221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582496 (or 582479 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 5242221000 is about 72403.1836316608. The cubic root of 5242221000 is about 1737.1544850634.

Adding to 5242221000 its reverse (1222425), we get a palindrome (5243443425).

The spelling of 5242221000 in words is "five billion, two hundred forty-two million, two hundred twenty-one thousand".