426556220 has 24 divisors (see below), whose sum is σ = 900323424. Its totient is φ = 169754816.

The previous prime is 426556219. The next prime is 426556267. The reversal of 426556220 is 22655624.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50192 + ... + 58071.

It is an arithmetic number, because the mean of its divisors is an integer number (37513476).

Almost surely, 2^426556220 is an apocalyptic number.

It is an amenable number.

426556220 is an abundant number, since it is smaller than the sum of its proper divisors (473767204).

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

426556220 is a wasteful number, since it uses less digits than its factorization.

426556220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108469 (or 108467 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 426556220 is about 20653.2375186071. The cubic root of 426556220 is about 752.7638585661.

The spelling of 426556220 in words is "four hundred twenty-six million, five hundred fifty-six thousand, two hundred twenty".