4221162 has 24 divisors (see below), whose sum is σ = 9977760. Its totient is φ = 1279080.

The previous prime is 4221109. The next prime is 4221169. The reversal of 4221162 is 2611224.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4221169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10462 + ... + 10857.

It is an arithmetic number, because the mean of its divisors is an integer number (415740).

Almost surely, 2^4221162 is an apocalyptic number.

4221162 is an abundant number, since it is smaller than the sum of its proper divisors (5756598).

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

4221162 is a wasteful number, since it uses less digits than its factorization.

4221162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21338 (or 21335 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 4221162 is about 2054.5466653255. The cubic root of 4221162 is about 161.6133899388.

Adding to 4221162 its reverse (2611224), we get a palindrome (6832386).

The spelling of 4221162 in words is "four million, two hundred twenty-one thousand, one hundred sixty-two".