4555202421 has 32 divisors (see below), whose sum is σ = 7634912256. Its totient is φ = 2366324400.

The previous prime is 4555202413. The next prime is 4555202437. The reversal of 4555202421 is 1242025554.

It is not a de Polignac number, because 4555202421 - 2³ = 4555202413 is a prime.

It is a super-2 number, since 2×4555202421² = 41499738192568522482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4555202441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53535 + ... + 109436.

It is an arithmetic number, because the mean of its divisors is an integer number (238591008).

Almost surely, 2^4555202421 is an apocalyptic number.

It is an amenable number.

4555202421 is a deficient number, since it is larger than the sum of its proper divisors (3079709835).

4555202421 is a wasteful number, since it uses less digits than its factorization.

4555202421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163014 (or 162992 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 4555202421 is about 67492.2397094659. The cubic root of 4555202421 is about 1657.6871090433.

Adding to 4555202421 its reverse (1242025554), we get a palindrome (5797227975).

The spelling of 4555202421 in words is "four billion, five hundred fifty-five million, two hundred two thousand, four hundred twenty-one".