420226015 has 32 divisors (see below), whose sum is σ = 566237952. Its totient is φ = 296736000.

The previous prime is 420226003. The next prime is 420226039. The reversal of 420226015 is 510622024.

It is not a de Polignac number, because 420226015 - 2⁹ = 420225503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 746124 + ... + 746686.

It is an arithmetic number, because the mean of its divisors is an integer number (17694936).

Almost surely, 2^420226015 is an apocalyptic number.

420226015 is a deficient number, since it is larger than the sum of its proper divisors (146011937).

420226015 is a wasteful number, since it uses less digits than its factorization.

420226015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 420226015 is about 20499.4149916528. The cubic root of 420226015 is about 749.0215477671.

Adding to 420226015 its reverse (510622024), we get a palindrome (930848039).

The spelling of 420226015 in words is "four hundred twenty million, two hundred twenty-six thousand, fifteen".