It is a nialpdrome in base 12.
It is a congruent number.
It is an unprimeable number.
22420208 is an apocalyptic number.
2420208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2420208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3951012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2420208 is an frugal number, since it uses more digits than its factorization.
2420208 is an evil number, because the sum of its binary digits is even.
The square root of 2420208 is about 1555.7017709060. The cubic root of 2420208 is about 134.2613152765.
The spelling of 2420208 in words is "two million, four hundred twenty thousand, two hundred eight".