427722 has 8 divisors (see below), whose sum is σ = 855456. Its totient is φ = 142572.

The previous prime is 427717. The next prime is 427723. The reversal of 427722 is 227724.

427722 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

427722 is an admirable number.

It is a super-2 number, since 2×427722² = 365892218568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 427692 and 427701.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 427722.

It is not an unprimeable number, because it can be changed into a prime (427723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35638 + ... + 35649.

It is an arithmetic number, because the mean of its divisors is an integer number (106932).

2⁴²⁷⁷²² is an apocalyptic number.

427722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

427722 is a wasteful number, since it uses less digits than its factorization.

427722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71292.

The product of its digits is 1568, while the sum is 24.

The square root of 427722 is about 654.0045871399. The cubic root of 427722 is about 75.3449003740.

The spelling of 427722 in words is "four hundred twenty-seven thousand, seven hundred twenty-two", and thus it is an iban number.