420226602 has 16 divisors (see below), whose sum is σ = 841320000. Its totient is φ = 139931072.

The previous prime is 420226579. The next prime is 420226603. The reversal of 420226602 is 206622024.

It is not an unprimeable number, because it can be changed into a prime (420226603) 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 7 ways as a sum of consecutive naturals, for example, 29727 + ... + 41522.

It is an arithmetic number, because the mean of its divisors is an integer number (52582500).

Almost surely, 2^420226602 is an apocalyptic number.

420226602 is an abundant number, since it is smaller than the sum of its proper divisors (421093398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420226602 is a wasteful number, since it uses less digits than its factorization.

420226602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72237.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 420226602 is about 20499.4293091296. The cubic root of 420226602 is about 749.0218965282.

Adding to 420226602 its reverse (206622024), we get a palindrome (626848626).

The spelling of 420226602 in words is "four hundred twenty million, two hundred twenty-six thousand, six hundred two".