5220421402 has 16 divisors (see below), whose sum is σ = 9075341952. Its totient is φ = 2205811440.

The previous prime is 5220421373. The next prime is 5220421411. The reversal of 5220421402 is 2041240225.

It is a super-2 number, since 2×5220421402² = 54505599228919291208, which contains 22 as substring.

It is an unprimeable number.

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, 2624973 + ... + 2626960.

It is an arithmetic number, because the mean of its divisors is an integer number (567208872).

Almost surely, 2^5220421402 is an apocalyptic number.

5220421402 is a deficient number, since it is larger than the sum of its proper divisors (3854920550).

5220421402 is a wasteful number, since it uses less digits than its factorization.

5220421402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252013.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 5220421402 is about 72252.4837081744. The cubic root of 5220421402 is about 1734.7431735386.

Adding to 5220421402 its reverse (2041240225), we get a palindrome (7261661627).

The spelling of 5220421402 in words is "five billion, two hundred twenty million, four hundred twenty-one thousand, four hundred two".