4202444421 has 48 divisors (see below), whose sum is σ = 7438579200. Its totient is φ = 2231483904.

The previous prime is 4202444419. The next prime is 4202444429. The reversal of 4202444421 is 1244442024.

It is not a de Polignac number, because 4202444421 - 2¹ = 4202444419 is a prime.

It is a super-2 number, since 2×4202444421² = 35321078223188050482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202444429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59775 + ... + 109443.

It is an arithmetic number, because the mean of its divisors is an integer number (154970400).

Almost surely, 2^4202444421 is an apocalyptic number.

It is an amenable number.

4202444421 is a deficient number, since it is larger than the sum of its proper divisors (3236134779).

4202444421 is a wasteful number, since it uses less digits than its factorization.

4202444421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49778 (or 49775 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 4202444421 is about 64826.2633583026. The cubic root of 4202444421 is about 1613.7415931665.

Adding to 4202444421 its reverse (1244442024), we get a palindrome (5446886445).

The spelling of 4202444421 in words is "four billion, two hundred two million, four hundred forty-four thousand, four hundred twenty-one".