5222542421 has 8 divisors (see below), whose sum is σ = 5298632064. Its totient is φ = 5146575840.

The previous prime is 5222542417. The next prime is 5222542427. The reversal of 5222542421 is 1242452225.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5222542421 - 2² = 5222542417 is a prime.

It is a super-3 number, since 3×5222542421³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5222542427) 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 7 ways as a sum of consecutive naturals, for example, 56516 + ... + 116786.

It is an arithmetic number, because the mean of its divisors is an integer number (662329008).

Almost surely, 2^5222542421 is an apocalyptic number.

It is an amenable number.

5222542421 is a deficient number, since it is larger than the sum of its proper divisors (76089643).

5222542421 is a wasteful number, since it uses less digits than its factorization.

5222542421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61531.

The product of its digits is 12800, while the sum is 29.

The square root of 5222542421 is about 72267.1600452100. The cubic root of 5222542421 is about 1734.9780795454.

Adding to 5222542421 its reverse (1242452225), we get a palindrome (6464994646).

The spelling of 5222542421 in words is "five billion, two hundred twenty-two million, five hundred forty-two thousand, four hundred twenty-one".