4215822 has 16 divisors (see below), whose sum is σ = 9080400. Its totient is φ = 1297152.

The previous prime is 4215821. The next prime is 4215829. The reversal of 4215822 is 2285124.

It is a d-powerful number, because it can be written as 4⁵ + 2¹² + 1 + 5 + 8 + 2¹⁴ + 2²² .

It is a junction number, because it is equal to n+sod(n) for n = 4215792 and 4215801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4215821) 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 in 7 ways as a sum of consecutive naturals, for example, 26947 + ... + 27102.

It is an arithmetic number, because the mean of its divisors is an integer number (567525).

Almost surely, 2^4215822 is an apocalyptic number.

4215822 is an abundant number, since it is smaller than the sum of its proper divisors (4864578).

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

4215822 is a wasteful number, since it uses less digits than its factorization.

4215822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54067.

The product of its digits is 1280, while the sum is 24.

The square root of 4215822 is about 2053.2466973065. The cubic root of 4215822 is about 161.5452112651.

The spelling of 4215822 in words is "four million, two hundred fifteen thousand, eight hundred twenty-two".