5042220621 has 16 divisors (see below), whose sum is σ = 7310821824. Its totient is φ = 3078238464.

The previous prime is 5042220613. The next prime is 5042220637. The reversal of 5042220621 is 1260222405.

It is a happy number.

It is not a de Polignac number, because 5042220621 - 2³ = 5042220613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5042220591 and 5042220600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5042220611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1334155 + ... + 1337928.

It is an arithmetic number, because the mean of its divisors is an integer number (456926364).

Almost surely, 2^5042220621 is an apocalyptic number.

5042220621 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5042220621 is a deficient number, since it is larger than the sum of its proper divisors (2268601203).

5042220621 is a wasteful number, since it uses less digits than its factorization.

5042220621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672140.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 5042220621 is about 71008.5954022469. The cubic root of 5042220621 is about 1714.7755455416.

The spelling of 5042220621 in words is "five billion, forty-two million, two hundred twenty thousand, six hundred twenty-one".