4220262 has 40 divisors (see below), whose sum is σ = 9583200. Its totient is φ = 1388016.

The previous prime is 4220243. The next prime is 4220269. The reversal of 4220262 is 2620224.

It is a happy number.

It is a super-2 number, since 2×4220262² = 35621222697288, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220269) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17539 + ... + 17777.

It is an arithmetic number, because the mean of its divisors is an integer number (239580).

Almost surely, 2^4220262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4220262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4791600).

4220262 is an abundant number, since it is smaller than the sum of its proper divisors (5362938).

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

4220262 is a wasteful number, since it uses less digits than its factorization.

4220262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4220262 is about 2054.3276272299. The cubic root of 4220262 is about 161.6019031815.

Adding to 4220262 its reverse (2620224), we get a palindrome (6840486).

The spelling of 4220262 in words is "four million, two hundred twenty thousand, two hundred sixty-two".