5224401021 has 12 divisors (see below), whose sum is σ = 8103152832. Its totient is φ = 2985371928.

The previous prime is 5224400989. The next prime is 5224401031. The reversal of 5224401021 is 1201044225.

It is not a de Polignac number, because 5224401021 - 2⁵ = 5224400989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5224401031) 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 11 ways as a sum of consecutive naturals, for example, 17769925 + ... + 17770218.

It is an arithmetic number, because the mean of its divisors is an integer number (675262736).

Almost surely, 2^5224401021 is an apocalyptic number.

It is an amenable number.

5224401021 is a deficient number, since it is larger than the sum of its proper divisors (2878751811).

5224401021 is a wasteful number, since it uses less digits than its factorization.

5224401021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35540160 (or 35540153 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 5224401021 is about 72280.0181308776. The cubic root of 5224401021 is about 1735.1838699790.

Adding to 5224401021 its reverse (1201044225), we get a palindrome (6425445246).

The spelling of 5224401021 in words is "five billion, two hundred twenty-four million, four hundred one thousand, twenty-one".