420222004 has 12 divisors (see below), whose sum is σ = 736388800. Its totient is φ = 209825208.

The previous prime is 420221999. The next prime is 420222007. The reversal of 420222004 is 400222024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420222007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68124 + ... + 74035.

Almost surely, 2^420222004 is an apocalyptic number.

It is an amenable number.

420222004 is a deficient number, since it is larger than the sum of its proper divisors (316166796).

420222004 is a wasteful number, since it uses less digits than its factorization.

420222004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142902 (or 142900 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 420222004 is about 20499.3171593592. The cubic root of 420222004 is about 749.0191646567.

Adding to 420222004 its reverse (400222024), we get a palindrome (820444028).

The spelling of 420222004 in words is "four hundred twenty million, two hundred twenty-two thousand, four".