406022 has 4 divisors (see below), whose sum is σ = 609036. Its totient is φ = 203010.

The previous prime is 406013. The next prime is 406027. The reversal of 406022 is 220604.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 405988 and 406006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101504 + ... + 101507.

It is an arithmetic number, because the mean of its divisors is an integer number (152259).

2⁴⁰⁶⁰²² is an apocalyptic number.

406022 is a deficient number, since it is larger than the sum of its proper divisors (203014).

406022 is a wasteful number, since it uses less digits than its factorization.

406022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203013.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 406022 is about 637.1985561817. The cubic root of 406022 is about 74.0485437511.

Adding to 406022 its reverse (220604), we get a palindrome (626626).

It can be divided in two parts, 40602 and 2, that added together give a palindrome (40604).

The spelling of 406022 in words is "four hundred six thousand, twenty-two".