4046222421 has 12 divisors (see below), whose sum is σ = 5845458060. Its totient is φ = 2697059520.

The previous prime is 4046222417. The next prime is 4046222443. The reversal of 4046222421 is 1242226404.

4046222421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 869660100 + 3176562321 = 29490^2 + 56361^2 .

It is not a de Polignac number, because 4046222421 - 2² = 4046222417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4046222221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32361 + ... + 95601.

It is an arithmetic number, because the mean of its divisors is an integer number (487121505).

Almost surely, 2^4046222421 is an apocalyptic number.

It is an amenable number.

4046222421 is a deficient number, since it is larger than the sum of its proper divisors (1799235639).

4046222421 is a wasteful number, since it uses less digits than its factorization.

4046222421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70356 (or 70353 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 4046222421 is about 63609.9239191496. The cubic root of 4046222421 is about 1593.4921098939.

Adding to 4046222421 its reverse (1242226404), we get a palindrome (5288448825).

The spelling of 4046222421 in words is "four billion, forty-six million, two hundred twenty-two thousand, four hundred twenty-one".