4922421 has 16 divisors (see below), whose sum is σ = 7553664. Its totient is φ = 2793024.

The previous prime is 4922417. The next prime is 4922441. The reversal of 4922421 is 1242294.

It is not a de Polignac number, because 4922421 - 2² = 4922417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4922391 and 4922400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4922441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2551 + ... + 4043.

It is an arithmetic number, because the mean of its divisors is an integer number (472104).

Almost surely, 2^4922421 is an apocalyptic number.

It is an amenable number.

4922421 is a deficient number, since it is larger than the sum of its proper divisors (2631243).

4922421 is a wasteful number, since it uses less digits than its factorization.

4922421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660.

The product of its digits is 1152, while the sum is 24.

The square root of 4922421 is about 2218.6529697093. The cubic root of 4922421 is about 170.1085926714.

The spelling of 4922421 in words is "four million, nine hundred twenty-two thousand, four hundred twenty-one".