426220 has 24 divisors (see below), whose sum is σ = 908208. Its totient is φ = 168000.

The previous prime is 426211. The next prime is 426229. The reversal of 426220 is 22624.

It is an interprime number because it is at equal distance from previous prime (426211) and next prime (426229).

It is a junction number, because it is equal to n+sod(n) for n = 426194 and 426203.

It is not an unprimeable number, because it can be changed into a prime (426229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1915 + ... + 2125.

It is an arithmetic number, because the mean of its divisors is an integer number (37842).

2⁴²⁶²²⁰ is an apocalyptic number.

It is an amenable number.

426220 is an abundant number, since it is smaller than the sum of its proper divisors (481988).

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

426220 is a wasteful number, since it uses less digits than its factorization.

426220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 426220 is about 652.8552672683. The cubic root of 426220 is about 75.2566025487.

Adding to 426220 its reverse (22624), we get a palindrome (448844).

It can be divided in two parts, 426 and 220, that added together give a palindrome (646).

The spelling of 426220 in words is "four hundred twenty-six thousand, two hundred twenty".