4220022 has 32 divisors (see below), whose sum is σ = 8870400. Its totient is φ = 1336608.

The previous prime is 4219991. The next prime is 4220039. The reversal of 4220022 is 2200224.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13593 + ... + 13899.

It is an arithmetic number, because the mean of its divisors is an integer number (277200).

Almost surely, 2^4220022 is an apocalyptic number.

4220022 is an abundant number, since it is smaller than the sum of its proper divisors (4650378).

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

4220022 is a wasteful number, since it uses less digits than its factorization.

4220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 4220022 is about 2054.2692131267. The cubic root of 4220022 is about 161.5988397704.

Adding to 4220022 its reverse (2200224), we get a palindrome (6420246).

It can be divided in two parts, 4 and 220022, that multiplied together give a palindrome (880088).

The spelling of 4220022 in words is "four million, two hundred twenty thousand, twenty-two".