420226025 has 12 divisors (see below), whose sum is σ = 529914000. Its totient is φ = 330481680.

The previous prime is 420226003. The next prime is 420226039. The reversal of 420226025 is 520622024.

It is not a de Polignac number, because 420226025 - 2⁶ = 420225961 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 140975 + ... + 143924.

It is an arithmetic number, because the mean of its divisors is an integer number (44159500).

Almost surely, 2^420226025 is an apocalyptic number.

It is an amenable number.

420226025 is a deficient number, since it is larger than the sum of its proper divisors (109687975).

420226025 is a wasteful number, since it uses less digits than its factorization.

420226025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284968 (or 284963 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 420226025 is about 20499.4152355622. The cubic root of 420226025 is about 749.0215537085.

Adding to 420226025 its reverse (520622024), we get a palindrome (940848049).

The spelling of 420226025 in words is "four hundred twenty million, two hundred twenty-six thousand, twenty-five".