4052222421 has 32 divisors (see below), whose sum is σ = 5896800000. Its totient is φ = 2460277248.

The previous prime is 4052222407. The next prime is 4052222437. The reversal of 4052222421 is 1242222504.

It is not a de Polignac number, because 4052222421 - 2²⁷ = 3918004693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4052222391 and 4052222400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4052222491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2078155 + ... + 2080103.

It is an arithmetic number, because the mean of its divisors is an integer number (184275000).

Almost surely, 2^4052222421 is an apocalyptic number.

It is an amenable number.

4052222421 is a deficient number, since it is larger than the sum of its proper divisors (1844577579).

4052222421 is a wasteful number, since it uses less digits than its factorization.

4052222421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 4052222421 is about 63657.0689004764. The cubic root of 4052222421 is about 1594.2793652388.

Adding to 4052222421 its reverse (1242222504), we get a palindrome (5294444925).

The spelling of 4052222421 in words is "four billion, fifty-two million, two hundred twenty-two thousand, four hundred twenty-one".