422480 has 20 divisors (see below), whose sum is σ = 982452. Its totient is φ = 168960.

The previous prime is 422479. The next prime is 422537. The reversal of 422480 is 84224.

It can be written as a sum of positive squares in 2 ways, for example, as 99856 + 322624 = 316^2 + 568^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2561 + ... + 2720.

2⁴²²⁴⁸⁰ is an apocalyptic number.

422480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422480 is an abundant number, since it is smaller than the sum of its proper divisors (559972).

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

422480 is a wasteful number, since it uses less digits than its factorization.

422480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294 (or 5288 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 422480 is about 649.9846152025. The cubic root of 422480 is about 75.0358347274.

Adding to 422480 its sum of digits (20), we get a square (422500 = 650²).

The spelling of 422480 in words is "four hundred twenty-two thousand, four hundred eighty".