422874 has 32 divisors (see below), whose sum is σ = 967680. Its totient is φ = 136800.

The previous prime is 422869. The next prime is 422879. The reversal of 422874 is 478224.

It is an interprime number because it is at equal distance from previous prime (422869) and next prime (422879).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 422874.

It is not an unprimeable number, because it can be changed into a prime (422879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2119 + ... + 2309.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2⁴²²⁸⁷⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483840).

422874 is an abundant number, since it is smaller than the sum of its proper divisors (544806).

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

422874 is a wasteful number, since it uses less digits than its factorization.

422874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 237 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 422874 is about 650.2876286690. The cubic root of 422874 is about 75.0591533328.

It can be divided in two parts, 422 and 874, that added together give a 4-th power (1296 = 6⁴).

The spelling of 422874 in words is "four hundred twenty-two thousand, eight hundred seventy-four".