It is a happy number.
It is a congruent number.
It is an unprimeable number.
22420022 is an apocalyptic number.
2420022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 2420022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2714112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2420022 is a wasteful number, since it uses less digits than its factorization.
2420022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1044.
The square root of 2420022 is about 1555.6419896621. The cubic root of 2420022 is about 134.2578757313.
Adding to 2420022 its reverse (2200242), we get a palindrome (4620264).
The spelling of 2420022 in words is "two million, four hundred twenty thousand, twenty-two".